Lock structure of pressing handle

Abstract

The utility model relates to a lock structure of a pressing handle. The lock structure comprises a handle tube and a locking mechanism, mounting mechanisms are mounted at the two ends of the handle tube respectively; each mounting mechanism is mounted on the inner side of the door body when being used, so that the handle pipe can be pressed to move towards the door body; a through hole is formed in the handle tube; the pipe cavity of the handle pipe is communicated with the circumferential surface through the through hole; the locking mechanism is installed in the handle pipe and comprises a movable part and a plug pin which is driven by rotating the movable part to retract to the top face of the handle pipe. The device further comprises a pressed seat. When in use, the pressed seat is fixed between the door body and the handle pipe, and a top column is arranged on one surface, facing the through hole, of the pressed seat; the jacking column is opposite to the movable part and used for penetrating through the through hole to push the movable part to rotate when the handle pipe moves towards the door body. The anti-theft lock box has the advantages of being simple in structure, reasonable in design, capable of protecting a transmission structure in the lock box in the using process, capable of prolonging the service life and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field, especially a lock structure of press handle. BACKGROUND

[0002] At present, the escape door lock for glass door on the market generally uses the technical scheme as the patent application number 2018203059903, the name is "a kind of escape door lock structure", when using, it can be close to door body by pressing handle pipe in room, at this time, the movable element in handle pipe is pressed and rotated by lock core top rod of lock box, so that movable element drives connecting rod mechanism to make plug retract into handle pipe, so that plug and door contact separation are separated to realize unlocking. Since lock box is generally used to drive lock core top rod to retract to carry out unlocking by the cooperation of gear and rack, when unlocking by pressing handle pipe in room, lock core top rod of lock box is in retracted state, after pressing handle pipe, movable element and lock core top rod are directly contacted to unlock, the structure is easily damaged gear and rack in lock box after long time use, and there is the problem of short service life. INVENTION CONTENTS

[0003] The utility model aims at providing a lock structure of press handle, the lock structure of press handle has the advantages of simple structure, reasonable design, can protect the transmission structure in lock box when using, to improve service life and the like.

[0004] The technical scheme of the utility model is realized as follows: a lock structure of press handle, including handle pipe and locking mechanism, both ends of handle pipe are respectively provided with mounting mechanism, each mounting mechanism is mounted on the inner side of door body when using, so that handle pipe can be moved to door body direction by pressing, through hole is formed on handle pipe, through hole is communicated with the cavity of handle pipe and circumferential surface, locking mechanism is installed in handle pipe, locking mechanism includes movable element and bolt, bolt is retracted on the top surface of handle pipe by rotating movable element, in particular, it further includes pressure seat, pressure seat is fixed between door body and handle pipe when using, the surface of pressure seat, which faces through hole, is provided with top column, top column is opposite to movable element, and top column is used to push movable element to rotate by passing through through hole when handle pipe is moved to door body direction.

[0005] The design of top column on pressure seat is used in the scheme, when unlocking in room during use, movable element is rotated by the pushing of top column after pressing handle pipe, so that movable element can drive bolt to retract on the top surface of handle pipe, so that bolt and door contact mounted on door frame are separated to realize unlocking. When unlocking in room, movable element will not touch lock core top rod of lock box after pressing handle pipe, so that gear and rack in lock box will not collide with each other, to protect transmission structure in lock box, so that the service life of the scheme is longer than that of existing press type escape door lock.

[0006] Further, the scheme also includes a lock box; the lock box is installed on the outside of the door body when in use; a top rod through hole is formed on the pressure receiving seat; one end of the lock cylinder top rod of the lock box can pass through the top rod through hole and the through hole to push the movable piece to rotate when in use.

[0007] Further, the movable piece is a crank-shaped swing angle, the movable piece is rotatably connected to the handle pipe at the bending part thereof; the top end of the movable piece is used to drive the bolt to retract to the top surface of the handle pipe, the bottom end of the movable piece is formed with a let-in recess, the two sides of the let-in recess are top pressing parts; two top rods are arranged on the pressure receiving seat, the two top rods are respectively located on the two sides of the hole opening of the top rod through hole, the two top rods correspond to the two top pressing parts respectively; one end of the lock cylinder top rod is rotatably installed with a roller; the rotation axis of the roller is parallel to the rotation axis of the movable piece relative to the handle pipe, and the roller is opposite to the let-in recess.

[0008] Further, an elastic pushing mechanism is installed on the pressure receiving seat; the elastic pushing mechanism includes an elastic top pin; one end of the elastic top pin passes through the pressure receiving seat and is placed on the handle pipe, the active direction of the elastic top pin is parallel to the axis of the top rod, so that the elastic top pin can push the pressed handle pipe to reset when in use.

[0009] Further, the scheme also includes a limiting seat; the limiting seat is fixed in the handle pipe, and the limiting seat is below the through hole; a limiting convex part is formed on the top surface of the limiting seat; one end of the pressure receiving seat is provided with a stop block part extending into the handle pipe through the through hole; the stop block part is between the limiting convex part and the movable piece, and a blocking part is formed on the bottom surface of the stop block part; the blocking part is abutted with the limiting convex part under the action of the elastic top pin pushing the handle pipe to move.

[0010] Further, a sliding hole and at least one clamping mechanism are arranged on the limiting seat; the clamping mechanism includes an elastic clamping bead extending into the sliding hole; a clamping pin is also included; the clamping pin is slidably arranged in the sliding hole, at least two clamping grooves matched with the elastic clamping bead are arranged on the clamping pin, all the clamping grooves are arranged along the sliding direction of the clamping pin, and the number of the clamping grooves is more than the number of the clamping mechanisms; a poking column is installed at one end of the clamping pin, an active long hole is formed on the handle pipe for the poking column to extend out; the length direction of the active long hole is parallel to the sliding direction of the clamping pin; a pin hole is arranged on the pressure receiving seat for the other end of the clamping pin to be inserted.

[0011] Further, the locking mechanism further comprises a pin rod, a connecting rod and a guide screw; the bolt and the pin rod are slidably installed in the handle pipe, the bolt can elastically extend or retract from the top surface of the handle pipe, a guide groove is formed on the outer circumferential surface of the bolt, the guide groove is arranged along the extension direction of the bolt, the top end of the pin rod is threadedly connected with the bottom end of the bolt, the top end of the connecting rod is rotatably connected with the bottom end of the pin rod, the bottom end of the connecting rod is rotatably connected with the upper part of the movable piece, the lower part of the movable piece is provided with a pushed part facing the top column, and the guide screw is threadedly connected with the handle pipe, and the tail end of the guide screw is inserted into the guide groove through the handle pipe.

[0012] Further, the locking mechanism further comprises a connecting cylinder and a locking spring; a pin sleeve is fixed at the top end of the handle pipe, an extension hole is formed in the pin sleeve and communicates with the inner cavity of the handle pipe, a supporting plate is further arranged at the lower part of the pin sleeve, and a through hole is formed in the supporting plate, the bolt is slidably installed in the extension hole, the guide screw is threadedly connected with the pin sleeve, and an adjusting through hole is formed in the handle pipe to expose the screw head of the guide screw, the top end of the connecting cylinder is threadedly connected with the screw column arranged at the bottom end of the bolt, the bottom end of the connecting cylinder is fixedly connected with the top end of the pin rod, the pin rod passes through the through hole of the supporting plate, and the locking spring is sleeved on the pin rod and compressed between the bottom surface of the connecting cylinder and the supporting plate.

[0013] Further, the locking mechanism further comprises a fixing screw; the fixing screw is threadedly connected with the connecting cylinder, and the tail end of the fixing screw is arranged on the screw column of the bolt; the fixing through holes are formed in the handle pipe and the pin sleeve.

[0014] Further, the locking mechanism further comprises a guide seat and two mounting plates; the guide seat is fixed in the handle pipe and located above the through hole, a guide hole is formed in the guide seat, the lower part of the pin rod is slidably arranged through the guide hole, and the two mounting plates are respectively arranged below the guide seat and located on the two sides of the through hole, and the movable piece is rotatably arranged between the two mounting plates.

[0015] The utility model discloses the beneficial effects of simple structure, reasonable in design, can protect the transmission structure in the lock box during use, improve the service life and the like. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of example.

[0017] Figure 2 It is the front view structural schematic diagram of example.

[0018] Figure 3 It is Figure 2 It is the sectional view structural schematic diagram of A-A direction in middle.

[0019] Figure 4For Figure 3 Enlarged structural diagram of part B.

[0020] Figure 5 For Figure 3 Enlarged structural diagram of part C.

[0021] Figure 6 Disassembly and assembly structural diagram of the lock mechanism, the pressure receiving seat and the lock box of the embodiment (the lock mechanism is disassembled from the mounting plate, and the latch, the connecting cylinder and the lock spring are mounted on the pin sleeve).

[0022] Figure 7 Structural diagram of the embodiment mounted on the door body.

[0023] Legend: 1 - handle tube; 11 - vertical rod part; 12 - horizontal rod part; 13 - corner; 14 - through hole; 15 - movable long hole; 16 - pin sleeve; 17 - bearing plate; 18 - adjusting through hole; 19 - fixed through hole; 2 - lock mechanism; 21 - movable piece; 211 - accommodation groove; 212 - pressure top part; 22 - latch; 221 - guide groove; 222 - stud part; 23 - pin rod; 24 - connecting rod; 25 - guide screw; 26 - connecting cylinder; 27 - lock spring; 28 - fixing screw; 29 - guide seat; 210 - mounting plate; 3 - mounting mechanism; 31 - connecting seat; 32 - mounting seat; 4 - door body; 5 - pressure receiving seat; 51 - top column; 52 - top rod through hole; 53 - mounting channel; 54 - blocking part; 55 - blocking part; 56 - pin hole; 6 - lock box; 61 - lock core top rod; 62 - roller; 7 - elastic pushing mechanism; 71 - elastic top pin; 72 - pushing spring; 73 - first plug; 8 - limiting seat; 81 - limiting convex part; 82 - sliding hole; 83 - clamping channel; 9 - clamping mechanism; 91 - elastic clamping bead; 92 - positioning spring; 93 - second plug; 10 - clamping pin; 101 - clamping groove; 102 - pushing column. DETAILED DESCRIPTION

[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7The pressing handle lock structure of the embodiment includes a handle pipe 1 and a locking mechanism 2. Two ends of the handle pipe 1 are respectively provided with a mounting mechanism 3. Each mounting mechanism 3 is mounted on the inner side of a door body 4 in use, so that the handle pipe 1 can be moved towards the door body 4 by pressing. The handle pipe 1 of the pressing handle lock structure includes a vertical rod part 11 and a horizontal rod part 12. The bottom end of the vertical rod part 11 is connected with one end of the horizontal rod part 12, so that an angle 13 is formed on the handle pipe 1. The other end of the horizontal rod part 12 and the top end of the vertical rod part 11 are respectively provided with the mounting mechanism 3. The mounting mechanism 3 includes a connecting seat 31 for connecting with the handle pipe 1 and a mounting seat 32 mounted on the door body 4 in use. The connecting seat 31 is rotatably connected with the mounting seat 32 through a rotating shaft, and has a certain rotating freedom between the connecting seat 31 and the mounting seat 32. In use, the two ends of the handle pipe 1 are rotatably mounted on the door body 4 through the mounting mechanism 3, and the rotating axis of the vertical rod part 11 relative to the door body 4 is perpendicular to the length direction of the vertical rod part 11, the rotating axis of the horizontal rod part 12 relative to the door body 4 is perpendicular to the length direction of the horizontal rod part 12, and the rotating axis of the vertical rod part 11 relative to the door body 4 and the rotating axis of the horizontal rod part 12 relative to the door body 4 are both parallel to the surface of the door body 4, so that when the position close to the angle 13 of the handle pipe 1 is pressed, the angle 13 of the handle pipe 1 gradually approaches the door body 4. A through hole 14 is formed on the handle pipe 1. The through hole 14 communicates the cavity of the handle pipe 1 with the circumferential surface, and is arranged on the vertical rod part 11 and close to the angle 13. The locking mechanism 2 is mounted in the handle pipe 1. The locking mechanism 2 includes a movable part 21 and a bolt 22 retracted on the top surface of the handle pipe 1 by rotating the movable part 21. In order to achieve the purpose of the pressing handle lock structure, the pressing handle lock structure further includes a pressure receiving seat 5. The pressure receiving seat 5 is fixed between the door body 4 and the handle pipe 1 in use, and is fixed on the inner side of the door body 4. A top column 51 is arranged on the surface of the pressure receiving seat 5 facing the through hole 14. The top column 51 is opposite to the movable part 21, and is used to push the movable part 21 to rotate through the through hole 14 when the handle pipe 1 moves towards the door body 4. In use, when the lock is opened indoors, the movable part 21 is rotated by the pushing of the top column 51 after the handle pipe 1 is pressed. The movable part 21 does not touch the lock core top rod 61 of the lock box 6, so that the gear and the rack in the lock box 6 do not collide with each other, thereby protecting the transmission structure in the lock box 6, and prolonging the service life of the pressing handle lock structure.

[0025] In order to make the pressing handle lock structure be applied outdoors, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7As shown, the lock structure of the present pressing handle further comprises a lock box 6; the lock box 6 is installed on the outer side of the door body 4 when in use; a top rod through hole 52 is formed on the pressure receiving seat 5; one end of a lock cylinder top rod 61 of the lock box 6 can pass through the top rod through hole 52 and the through hole 14 to push the movable piece 21 to rotate when in use.

[0026] In order to make the gap between the handle tube 1 and the door body 4 smaller when the lock structure of the present pressing handle is applied, and make the space occupied smaller when the lock structure of the present pressing handle is applied, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 As shown, the movable piece 21 is a crank-shaped swing angle, and the movable piece 21 is rotatably connected to the handle tube 1 at the bending part thereof; the top end of the movable piece 21 is used to drive the bolt 22 to retract to the top surface of the handle tube 1, and the bottom end of the movable piece 21 is formed with a let-in recess 211, and the two sides of the let-in recess 211 are top pressing parts 212; the pressure receiving seat 5 is provided with two top columns 51, and the two top columns 51 are respectively located on the two sides of the hole opening of the top rod through hole 52, and the two top columns 51 correspond to and face the two top pressing parts 212 respectively; one end of the lock cylinder top rod 61 is rotatably installed with a roller 62; the rotation axis of the roller 62 is parallel to the rotation axis of the movable piece 21 relative to the handle tube 1, and the roller 62 faces the let-in recess 211.

[0027] In order to make the handle tube 1 automatically reset after the handle tube 1 is pressed when the lock structure of the present pressing handle is applied, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 As shown, an elastic pushing mechanism 7 is installed on the pressure receiving seat 5; the elastic pushing mechanism 7 comprises an elastic top pin 71; one end of the elastic top pin 71 passes through the pressure receiving seat 5 and is placed on the handle tube 1, and the one end of the elastic top pin 71 specifically passes through the through hole 14 and is pressed on the inner tube wall of the handle tube 1, so that the elastic top pin 71 accurately pushes the handle tube 1 to reset; the active direction of the elastic top pin 71 is parallel to the axis of the top column 51, so that the elastic top pin 71 can push the pressed handle tube 1 to reset when in use. The elastic pushing mechanism 7 further comprises a pushing spring 72 and a first plug 73; an installation channel 53 is formed on the pressure receiving seat 5, and the installation channel 53 has a structure that one end is closed by the first plug 73 and the other end is open; the elastic top pin 71 and the pushing spring 72 are both installed in the installation channel 53; one end of the elastic top pin 71 passes through the open end of the installation channel 53, and the elastic top pin 71 cannot be separated from the installation channel 53 as a whole; the pushing spring 72 is compressed between the other end of the elastic top pin 71 and the first plug 73.

[0028] In order to limit the amplitude of the movement of the handle tube 1 pushed by the elastic pushing mechanism 7, as shown in Figure 1、 Figure 2 、 Figure 3 、 Figure 4 The lock structure of the pressing handle further comprises a limiting seat 8, which is fixed in the handle pipe 1 and is below the through hole 14. A limiting protrusion 81 is formed on the top surface of the limiting seat 8. One end of the pressure receiving seat 5 is provided with a stop block part 54 extending into the handle pipe 1 through the through hole 14. The stop block part 54 is between the limiting protrusion 81 and the movable part 21, and a blocking part 55 is formed on the bottom surface of the stop block part 54. The blocking part 55 is in abutment with the limiting protrusion 81 under the action of the elastic top pin 71 pushing the handle pipe 1 to move.

[0029] In order to position the handle pipe 1 on the pressure receiving seat 5, avoid the child from opening the door lock indoors by mistake when in use, and prevent the child from being locked in the room, the handle pipe 1 is provided with a limiting protrusion 11, which is arranged on the top surface of the handle pipe 1 and is in abutment with the blocking part 55 of the stop block part 54. Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6As shown, the limiting seat 8 is provided with a sliding hole 82 and two clamping mechanisms 9 arranged along the length direction of the sliding hole 82; the clamping mechanism 9 comprises an elastic clamping bead 91 which can extend into the sliding hole 82; each clamping mechanism 9 further comprises a positioning spring 92 and a second plug 93; the limiting seat 8 is formed with a clamping channel 83 for installing the clamping mechanism 9, one end of the clamping channel 83 communicates with the sliding hole 82, the length direction of the clamping channel 83 is perpendicular to the length direction of the sliding hole 82, and the other end of the clamping channel 83 is fixed with the second plug 93; the positioning spring 92 and the elastic clamping bead 91 are both installed in the clamping channel 83, and the positioning spring 92 is compressed between the elastic clamping bead 91 and the second plug 93; further comprising a clamping pin 10; the clamping pin 10 is slidably arranged in the sliding hole 82, and the clamping pin 10 is provided with three clamping grooves 101 matched with the elastic clamping bead 91, all the clamping grooves 101 are arranged along the sliding direction of the clamping pin 10, and the number of the clamping grooves 101 is more than the number of the clamping mechanisms 9, and the elastic clamping beads 91 of two clamping mechanisms 9 are correspondingly clamped with two clamping grooves 101; one end of the clamping pin 10 is installed with a pushing column 102, and the handle pipe 1 is formed with a movable long hole 15 for the pushing column 102 to extend out; the length direction of the movable long hole 15 is parallel to the sliding direction of the clamping pin 10; the pressure receiving seat 5 is provided with a pin hole 56 for the other end of the clamping pin 10 to be inserted. In use, in the process of moving the clamping pin 10 by pushing the pushing column 102, the clamping mechanisms 9 will position the clamping pin 10 after the clamping pin 10 exits the pin hole 56 and is inserted into the pin hole 56, so that the clamping pin 10 maintains the state of exiting the pin hole 56 or being inserted into the pin hole 56. When the clamping pin 10 is caused to exit the pin hole 56 by the pushing column 102, the positioning between the handle pipe 1 and the pressure receiving seat 5 is released at this time, so that people can press the handle pipe 1 indoors to unlock; when the clamping pin 10 is caused to be inserted into the pin hole 56 away from the one end of the pushing column 102 by the pushing column 102, the handle pipe 1 and the pressure receiving seat 5 are locked, and people cannot press the handle pipe 1 indoors, so that unlocking cannot be performed indoors.

[0030] In order to make the structure of the locking mechanism 2 more reasonable, the length of the bolt 22 extending out of the top surface of the handle pipe 1 can be adjusted according to actual application needs, for example, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6As shown, the locking mechanism 2 further comprises a pin rod 23, a connecting rod 24 and a guide screw 25; the bolt 22 and the pin rod 23 are both slidably installed in the vertical rod part 11 of the handle tube 1, the bolt 22 can elastically extend or retract from the top surface of the handle tube 1, a guide groove 221 is formed on the outer circumferential surface of the bolt 22, the guide groove 221 is arranged along the extension direction of the bolt 22, the top end of the pin rod 23 is threadedly connected with the bottom end of the bolt 22, the top end of the connecting rod 24 is rotatably connected with the bottom end of the pin rod 23, the bottom end of the connecting rod 24 is rotatably connected with the upper part of the movable part 21, the lower part of the movable part 21 is provided with a pushed part facing the top column 51, which is a structure formed by two top pressing parts 212, the guide screw 25 is threadedly connected with the handle tube 1, the axis of the guide screw 25 is perpendicular to the length direction of the guide groove 221, and the end of the guide screw 25 penetrates through the handle tube 1 and is inserted into the guide groove 221. In use, when it is needed to adjust the length of the bolt 22 extending out of the top surface of the handle tube 1, the guide screw 25 is first rotated to be separated from the guide groove 221, then the bolt 22 is rotated to be raised or lowered relative to the pin rod 23, so that the length of the bolt 22 extending out of the top surface of the handle tube 1 can be adjusted, and after the adjustment is completed, the end of the guide screw 25 is inserted into the guide groove 221.

[0031] In order to make the structure of the locking mechanism 2 more reasonable and make the bolt 22 elastically extend or retract from the top surface of the handle tube 1, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, the locking mechanism 2 further comprises a connecting cylinder 26 and a locking spring 27; a pin sleeve 16 is fixed at the top end of the handle tube 1; the pin sleeve 16 is formed with an extension and retraction hole communicating with the top surface of the pin sleeve 16 and the inner cavity of the handle tube 1, and a supporting plate 17 is further arranged at the lower part of the pin sleeve 16, and the supporting plate 17 is formed with a through hole; the bolt 22 is slidably installed in the extension and retraction hole; the guide screw 25 is threadedly connected with the pin sleeve 16, and an adjustment through hole 18 is formed in the handle tube 1 for exposing the screw head of the guide screw 25, and in use, a tool is used to rotate the guide screw 25 by penetrating through the adjustment through hole 18; the top end of the connecting cylinder 26 is threadedly connected with the threaded column part 222 arranged at the bottom end of the bolt 22, and the bottom end of the connecting cylinder 26 is fixedly connected with the top end of the pin rod 23; the pin rod 23 penetrates through the through hole of the supporting plate 17; the locking spring 27 is sleeved on the pin rod 23, and the locking spring 27 is compressed between the bottom surface of the connecting cylinder 26 and the supporting plate 17.

[0032] In order to avoid that the connecting cylinder 26 and the bolt 22 are separated after long time use, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 5As shown, the locking mechanism 2 further comprises a fixing screw 28; the fixing screw 28 is threadedly connected with the connecting cylinder 26, the axis of the fixing screw 28 is perpendicular to the axis of the connecting cylinder 26, the end of the fixing screw 28 is positioned on the threaded portion 222 of the bolt 22; the fixing through hole 19 is formed on the handle tube 1 and the pin sleeve 16, the fixing through hole 19 is opposite to the screw head of the fixing screw 28 when the bolt 22 is completely extended out of the top surface of the handle tube 1, a tool is used to rotate the fixing screw 28 through the fixing through hole 19 during use, in order to make the handle tube 1 more tidy, the through hole 14, the movable long hole 15, the adjusting through hole 18 and the fixing through hole 19 are all arranged to face the direction of the door body 4 during use. Such structure, before adjusting the length of the bolt 22 extended out of the top surface of the handle tube 1, the fixing screw 28 needs to be loosened first.

[0033] In order to make the structure of the locking mechanism 2 installed on the handle tube 1 more reasonable, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 As shown, the locking mechanism 2 further comprises a guide seat 29 and two mounting plates 210; the guide seat 29 is fixed in the handle tube 1, the guide seat 29 is above the through hole 14, the guide hole is formed on the guide seat 29; the lower part of the pin rod 23 is slidably arranged through the guide hole; the two mounting plates 210 are respectively arranged below the guide seat 29, the two mounting plates 210 are clamped and fixed by the guide seat 29 and the limiting seat 8, the two mounting plates 210 are respectively arranged on both sides of the through hole 14, the movable piece 21 is rotatably arranged between the two mounting plates 210.

Claims

1. A push handle lock structure, comprising a handle tube and a locking mechanism; each end of the handle tube is provided with a mounting mechanism; each mounting mechanism is mounted on the inner side of a door body in use, so that the handle tube can be moved towards the door body by pressing the handle tube; a through hole is formed on the handle tube; the through hole connects the tube cavity of the handle tube with the circumferential surface; the locking mechanism is mounted in the handle tube, and the locking mechanism comprises a movable member and a bolt retracted on the top surface of the handle tube by rotating the movable member; characterized in that: It also includes a pressure seat; the pressure seat is fixed between the door body and the handle pipe in use, and a top post is arranged on the side of the pressure seat facing the through hole; the top post is opposite to the movable piece, and the top post is used to push the movable piece to rotate through the through hole when the handle pipe moves towards the door body.

2. The push-pull handle lock structure according to claim 1, characterized in that: It also includes a lock box; the lock box is installed on the outer side of the door body in use; a top rod through hole is formed on the pressure seat; one end of the lock cylinder top rod can push the movable piece to rotate through the top rod through hole and the through hole in use.

3. A push-pull handle lock structure according to claim 2, characterized in that: The movable piece is a crank-shaped swing angle, and the movable piece is rotatably connected to the handle pipe at the bending part thereof; the top end of the movable piece is used to drive the bolt to retract to the top surface of the handle pipe, and the bottom end of the movable piece is formed with a give-way groove, and the two sides of the give-way groove are top pressing parts; two top posts are arranged on the pressure seat, and the two top posts are respectively arranged on the two sides of the hole opening of the top rod through hole, and the two top posts are opposite to the two top pressing parts one by one; one end of the lock cylinder top rod is rotatably installed with a roller; the rotation axis of the roller is parallel to the rotation axis of the movable piece relative to the handle pipe, and the roller is opposite to the give-way groove.

4. A push-pull handle lock structure according to claim 1 or 2 or 3, characterized in that: An elastic pushing mechanism is installed on the pressure seat; the elastic pushing mechanism includes an elastic top pin; one end of the elastic top pin is inserted into the handle pipe through the pressure seat, and the movement direction of the elastic top pin is parallel to the axis of the top post, so that the elastic top pin can push the handle pipe back to the original position after being pressed in use.

5. The push-pull handle lock structure according to claim 4, wherein: It also includes a limiting seat; the limiting seat is fixed in the handle pipe, and the limiting seat is below the through hole; a limiting convex part is formed on the top surface of the limiting seat; one end of the pressure seat is provided with a stop block part extending into the handle pipe through the through hole; the stop block part is between the limiting convex part and the movable piece, and a blocking part is formed on the bottom surface of the stop block part; the blocking part is abutted against the limiting convex part under the action of the elastic top pin pushing the handle pipe.

6. A push-pull handle lock structure according to claim 5, wherein: A sliding hole and at least one clamping mechanism are arranged on the limiting seat; the clamping mechanism includes an elastic clamping bead extending into the sliding hole; a clamping pin is also included; the clamping pin is slidably arranged in the sliding hole, and at least two clamping grooves matched with the elastic clamping bead are arranged on the clamping pin, all the clamping grooves are arranged along the sliding direction of the clamping pin, and the number of the clamping grooves is more than the number of the clamping mechanisms; one end of the clamping pin is provided with a pushing column, and an active long hole is formed on the handle pipe for the pushing column to extend out; the length direction of the active long hole is parallel to the sliding direction of the clamping pin; a pin hole is arranged on the pressure seat for the other end of the clamping pin to be inserted.

7. The push-pull handle lock structure according to claim 1, wherein: The locking mechanism also includes a pin rod, a connecting rod and a guide screw; the bolt and the pin rod are slidably arranged in the handle pipe, the bolt can be elastically extended or retracted to the top surface of the handle pipe, and a guide groove is formed on the outer circumferential surface of the bolt; the guide groove is arranged along the extension direction of the bolt; the top end of the pin rod is threadedly connected with the bottom end of the bolt; the top end of the connecting rod is rotatably connected with the bottom end of the pin rod, and the bottom end of the connecting rod is rotatably connected with the upper part of the movable piece; the lower part of the movable piece is provided with a pushed part facing the top post; the guide screw is threadedly connected with the handle pipe, and the tail end of the guide screw is inserted into the guide groove through the handle pipe.

8. The push-pull handle lock structure according to claim 7, characterized in that: The upper locking mechanism further comprises a connecting cylinder and an upper locking spring; a pin sleeve is fixed at the top end of the handle pipe; the pin sleeve is formed with an expansion hole which communicates with the top surface of the pin sleeve and the inner cavity of the handle pipe, and a supporting plate is further arranged at the lower part of the pin sleeve and formed with a through hole; a bolt is slidingly arranged in the expansion hole; a guide screw is threadedly connected to the pin sleeve and formed with an adjusting through hole on the handle pipe for exposing the screw head of the guide screw; the top end of the connecting cylinder is threadedly connected to the screw column part arranged at the bottom end of the bolt, and the bottom end of the connecting cylinder is fixedly connected to the top end of the pin rod; the pin rod is arranged through the through hole of the supporting plate; and the upper locking spring is sleeved on the pin rod and compressed between the bottom surface of the connecting cylinder and the supporting plate.

9. The push-pull handle lock structure according to claim 8, characterized in that: The upper locking mechanism further comprises a fixing screw; the fixing screw is threadedly connected to the connecting cylinder, and the end of the fixing screw is arranged on the screw column part of the bolt; the fixing through holes are formed on the handle pipe and the pin sleeve.

10. A push-pull handle lock structure according to claim 7 or 8 or 9, characterized in that: The upper locking mechanism further comprises a guide seat and two mounting plates; the guide seat is fixed in the handle pipe and arranged above the through hole, and the guide seat is formed with a guide hole; the lower part of the pin rod is slidingly arranged through the guide hole; the two mounting plates are respectively arranged below the guide seat and on the two sides of the through hole, and the movable member is rotatably arranged between the two mounting plates.

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