Pressing pump capable of preventing over-rotation locking

Abstract

The utility model relates to the technical field of pressing pumps, and discloses an anti-over-rotation locking pressing pump which comprises an outer column and an inner column with one end located in the outer column, one end outside the inner column is connected with a pressing head, the side face of the upper portion of the outer column is connected with a first connecting ring cover located on the side face of the inner column, and a movable cavity is formed in the first connecting ring cover. A lower fixing ring is fixedly installed on the side face, located in the movable cavity, of the inner column, an upper movable ring matched with the lower fixing ring is movably connected to the side face, located in the movable cavity, of the inner column, and a plurality of limiting blocks matched with the lower fixing ring and the upper movable ring are movably connected to the inner side wall of the movable cavity. According to the pressing pump, through cooperation of the lower fixing ring, the limiting block and the upper movable ring, when the lower fixing ring moves downwards and is located below the limiting block, the limiting block limits the lower fixing ring, when the lower fixing ring and the upper movable ring move downwards to the position below the limiting block at the same time and move upwards again, the limiting block is separated from the lower fixing ring, and locking of the pressing pump can be achieved through two times of pressing; and the use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to press pump technical field, concretely is a kind of press pump of anti-rotation locking. BACKGROUND

[0002] Press liquid pump is generally installed at the opening of container, for pumping and dispensing liquid product in container by manual pressing of user to supply use.

[0003] According to the patent with patent publication No. CN219407630U, a kind of press pump of anti-rotation locking is disclosed, including press head, main column, piston, vice column, lock cover, spring, body and screw, the main column includes interface, pipe body part, spring seat and axial direction guiding lock rail, the lock cover includes body part, flange and guide sleeve, lock cover is inserted into body, and annular seat plate of body is attached with flange;The pipe body part of main column and guide sleeve are slidingly fitted, the upper end of spring is matched with spring seat, and the bottom plate of body part is matched with lower end;Working state, axial direction guiding lock rail and axial direction guiding groove are slidingly fitted;Locking state, axial direction guiding lock rail and positioning groove are embedded and positioned, and the bottom plate of locking groove is matched with lower end and stops position.When working state is converted into locking state, axial direction guiding lock rail enters locking groove from axial direction guiding groove, axial direction guiding lock rail and locking groove are frictionally buffered, then enter positioning groove and are positioned, and the end wall of positioning groove plays the role of stop position to prevent over-rotation.

[0004] The above-mentioned patent has obvious beneficial effects, but there are still the following deficiencies in real operation:

[0005] In the above-mentioned comparative document, when working state is converted into locking state, press head is rotated clockwise, press head and main column are rotated together, and locking state is realized by pressing press pump again, but in real situation, press pump is often operated by one hand, and the other hand is used to receive pumped liquid, when rotating press head by one hand, due to the large friction between the outer side surface of main column and the inner side wall of body, one hand cannot normally rotate press head, and the other hand needs to support and limit it, which is troublesome during use, therefore, the technical field urgently needs to improve press pump to solve the defects of prior art. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of prior art, the utility model provides a kind of press pump of anti-rotation locking, which can realize the locking of press pump by twice pressing, and improve the convenience during use.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of press pump of anti-rotation locking, including outer column and inner column located at one end inside outer column, one end of the outer column is connected with the pressure head, the outer column upper side is connected with the first connecting ring cover located in the side of inner column, the first connecting ring cover is equipped with movable cavity, the side of inner column in movable cavity is fixedly installed with lower fixed ring and is movably connected with the upper movable ring matched with lower fixed ring, the movable cavity inner wall is movably connected with several limit blocks matched with lower fixed ring and upper movable ring, when lower fixed ring moves down and is located below limit block, limit block limits lower fixed ring, when lower fixed ring and upper movable ring move down to below limit block again and move up, limit block is separated from lower fixed ring.

[0008] Preferably, the movable cavity inner wall is provided with a first opening groove matched with the limit block, a first elastic member with elasticity is arranged between the side of the limit block and the inner wall of the first opening groove, the upper side of the limit block is inclined to match the upper movable ring, the side surfaces of the lower fixed ring and the upper movable ring are arc-shaped, and a second elastic member with elasticity is arranged between the lower fixed ring and the upper movable ring.

[0009] Preferably, the first opening groove is provided with a through hole, and the limit block is provided with a guide column arranged in the through hole.

[0010] Preferably, the inner column is provided with an annular groove on the side, the upper movable ring is sleeved on the side of the annular groove, and the side surfaces of the lower fixed ring and the upper movable ring are provided with extrusion grooves matched with the second elastic member.

[0011] Preferably, the first connecting ring cover is provided with a second opening groove communicated with the through hole on the side, the guide column is T-shaped in cross section, and the side of the limit block is provided with a connecting hole threadedly connected with one end of the guide column.

[0012] Preferably, the first connecting ring cover is provided with an arc-shaped groove on the lower side wall, and a sealing ring is embedded in the arc-shaped groove.

[0013] Preferably, the outer column is fixedly connected with a connecting ring connected with the first connecting ring cover on the upper part, the connecting ring is fixedly connected with a pressing plate on the side, the lower side of the pressing plate is provided with an elastic pad, and a second connecting ring cover is arranged between the first connecting ring cover and the pressing plate.

[0014] In view of the deficiencies of the prior art, the utility model provides a press pump of anti-rotation locking, which overcomes the deficiencies of the prior art, and has the following beneficial effects:

[0015] 1. The utility model discloses, through the cooperation of lower fixed ring, limit block and upper movable ring, when lower fixed ring moves down and is located below limit block, limit block limits lower fixed ring, when lower fixed ring and upper movable ring move down to below limit block and move up again, limit block is separated from lower fixed ring, and the locking of pressing pump can be realized through twice pressing, and the convenience when using is improved.

[0016] 2. The utility model discloses, the guide column extends to the first opening groove in the through -hole, places the first elastic piece in the first opening groove and sets up in the side of guide column, inserts the limit block in the first opening groove, and through the second opening groove rotation guide column and the threaded connection of connecting hole, it is convenient to assemble.

[0017] 3. The utility model discloses, the arc -shaped groove is inlayed with sealing ring, and sealing ring plays the sealing effect, improves the sealing property between inner column and first connecting ring cover.

[0018] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following specification or can be learned by practice of the application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate the present application and, together with the description, further serve to explain the principles of the present application and to enable a person skilled in the pertinent art to make and use the application.

[0020] Figure 1 It is the structural schematic diagram of the whole appearance of the utility model;

[0021] Figure 2 It is the structural schematic diagram of the whole section of the utility model;

[0022] Figure 3 It is Figure 2 It is the enlarged structural schematic diagram of A in the middle;

[0023] Figure 4 It is Figure 2 It is the enlarged structural schematic diagram of B in the middle;

[0024] Figure 5 It is Figure 2 It is the enlarged structural schematic diagram of C in the middle;

[0025] Figure 6 It is Figure 4 It is the enlarged structural schematic diagram of D in the middle.

[0026] In the figure: 1, outer column; 2, inner column; 3, lower fixed ring; 4, upper movable ring; 5, limiting block; 6, movable cavity; 7, first opening slot; 8, first elastic member; 9, through hole; 10, guide column; 11, annular groove; 12, second elastic member; 13, extrusion groove; 14, connecting hole; 15, second opening slot; 16, first connecting ring cover; 17, arc-shaped groove; 18, sealing ring; 19, pressing plate; 20, pressing head; 21, connecting circular ring; 22, elastic pad; 23, second connecting ring cover. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0028] Please refer to Figures 1-6 A kind of anti-rotation locking press pump, including outer column 1 and inner column 2 located at one end inside outer column 1, the outer column 1 upper side is connected with the first connecting ring cover 16 located in the side of inner column 2, first connecting ring cover 16 is equipped with movable cavity 6 in, the side of inner column 2 is fixedly installed with lower fixed ring 3 and movably connected with the upper movable ring 4 matched with lower fixed ring 3 in movable cavity 6, movable cavity 6 inner wall movably connected with several limiting blocks 5 matched with lower fixed ring 3 and upper movable ring 4, when lower fixed ring 3 moves down and is located below limiting block 5, limiting block 5 limits lower fixed ring 3, when lower fixed ring 3 and upper movable ring 4 move down to below limiting block 5 again, limiting block 5 is separated from lower fixed ring 3, movable cavity 6 inner wall is equipped with first opening slot 7 matched with limiting block 5, first elastic member 8 with elasticity is arranged between the side of limiting block 5 and the inner wall of first opening slot 7, the upper side of limiting block 5 is inclined surface matched with upper movable ring 4, the side of lower fixed ring 3 and upper movable ring 4 is arc-shaped, second elastic member 12 with elasticity is arranged between lower fixed ring 3 and upper movable ring 4, annular groove 11 is opened in the side of inner column 2, upper movable ring 4 is sleeved in the side of annular groove 11, extrusion groove 13 matched with second elastic member 12 is opened in the side of lower fixed ring 3 and upper movable ring 4.

[0029] Specifically, the above-mentioned pressing pump pumps liquid principle and prior art known technology is the same, using the pressing pump, by pressing the head 20, the spring in the outer column 1 is compressed, when the spring rebounds, and drive the liquid in the bottle up, the liquid is transported to the head 20 through the cavity in the inner column 2 and discharged, when it needs to be locked, press the head 20, because the upper side of the limiting block 5 is inclined, when the lower fixed ring 3 moves down, it will squeeze the limiting block 5 to move into the first opening slot 7, at this time, the first elastic element 8 is compressed, at this time, the lower fixed ring 3 passes the limiting block 5, but does not pass 4, when the lower fixed ring 3 passes the limiting block 5, the first elastic element 8 will pop out the limiting block 5, the limiting block 5 limits the lower fixed ring 3, that is, the locking of the inner column 2 can be realized, when it needs to be used again, press the head 20 again, when the upper movable ring 4 passes the limiting block 5, the limiting block 5 is squeezed into the first opening slot 7 again, the upper movable ring 4 passes the limiting block 5, at this time, release the head 20, the spring in the outer column 1 will push the inner column 2 up, at this time, the limiting block 5 drives the upper movable ring 4 to move down, the upper movable ring 4 slides on the side of the annular groove 11, at the same time, the second elastic element 12 is squeezed in the two squeezing grooves 13, when the upper movable ring 4 slides to the side and the side of the lower fixed ring 3 abuts, because the upper movable ring 4 is blocked, the arc surface of the upper movable ring 4 will squeeze the limiting block 5 to return to the first opening slot 7 again, because the lower fixed ring 3 and the upper movable ring 4 abut, the lower fixed ring 3 and the upper movable ring 4 pass the limiting block 5 at the same time, the upward movement of the inner column 2 is realized, that is, the liquid can be pumped again by continuous pressing, the locking of the pressing pump can be realized by twice pressing, the convenience in use is improved, it is worth noting that the first elastic element 8 and the second elastic element 12 can be springs.

[0030] As a technical optimization scheme of the utility model, the first opening slot 7 inner side wall is provided with a through hole 9, one side of the limiting block 5 is provided with a guide column 10 penetrating in the through hole 9, the first connecting ring cover 16 side is provided with a second opening slot 15 communicating with the through hole 9, the guide column 10 cross section is T-shaped, one side of the limiting block 5 is provided with a connecting hole 14 threadedly connected with one end of the guide column 10, the guide column 10 prevents the first elastic element 8 from radial deformation, and one end of the guide column 10 is threadedly connected in the connecting hole 14, when installing, the guide column 10 is penetrated through the through hole 9 and extends into the first opening slot 7, the first elastic element 8 is placed in the first opening slot 7 and is sleeved on the side of the guide column 10, the limiting block 5 is inserted into the first opening slot 7, the guide column 10 is threadedly connected with the connecting hole 14 by rotating through the second opening slot 15, which facilitates assembly.

[0031] As a technical optimization scheme of the utility model, the first connecting ring cover 16 inner lower side wall is provided with an arc-shaped groove 17, the arc-shaped groove 17 is embedded with a sealing ring 18, the sealing ring 18 plays a sealing role, improves the sealing between the inner column 2 and the first connecting ring cover 16.

[0032] As a technical optimization scheme of the utility model, the outer column 1 upper portion is fixedly connected with the connecting circular ring 21 connected with the first connecting ring cover 16, the connecting circular ring 21 side is fixedly connected with the compression plate 19, the compression plate 19 lower side is equipped with the elastic pad 22, the first connecting ring cover 16 and the compression plate 19 are equipped with the second connecting ring cover 23, when overall assembling, the elastic pad 22 is placed in the bottle mouth, the outer column 1 is inserted in the bottle mouth, the compression plate 19 is compressed to the elastic pad 22, improves the sealing, the second connecting ring cover 23 is screwed with the bottle mouth, then the first connecting ring cover 16 is clamped or screwed in the connecting circular ring 21 side, the sequence can be adjusted according to the actual situation when assembling, and the overall press pump is assembled conveniently.

[0033] The above only is the preferred embodiment of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A press pump with anti-over-rotation locking, comprising an outer column (1) and an inner column (2) located at one end inside the outer column (1), wherein a pressure head (20) is connected to one end of the inner column (2), characterized in that, The upper side of the outer column (1) is connected to a first connecting ring cover (16) located on the side of the inner column (2). The first connecting ring cover (16) has a movable cavity (6). The side of the inner column (2) located in the movable cavity (6) is fixedly installed with a lower fixing ring (3) and movably connected with an upper movable ring (4) adapted to the lower fixing ring (3). The inner side wall of the movable cavity (6) is movably connected with a plurality of limiting blocks (5) adapted to the lower fixing ring (3) and the upper movable ring (4). When the lower fixing ring (3) moves down and is located below the limiting block (5), the limiting block (5) limits the lower fixing ring (3). When the lower fixing ring (3) and the upper movable ring (4) move down to below the limiting block (5) and then move up again, the limiting block (5) disengages from the lower fixing ring (3).

2. A push-button pump with anti-over-rotation locking according to claim 1, characterized in that, The inner wall of the movable cavity (6) is provided with a first opening groove (7) that is adapted to the limiting block (5). A first elastic element (8) with elasticity is provided between one side of the limiting block (5) and the inner wall of the first opening groove (7). The upper side of the limiting block (5) is an inclined surface adapted to the upper movable ring (4). The opposite sides of the lower fixed ring (3) and the upper movable ring (4) are both arc-shaped. A second elastic element (12) with elasticity is provided between the lower fixed ring (3) and the upper movable ring (4).

3. A push-button pump with anti-over-rotation locking according to claim 2, characterized in that, The inner wall of the first opening groove (7) is provided with a through hole (9), and the limiting block (5) is provided with a guide post (10) that passes through the through hole (9) on one side.

4. A push-button pump with anti-over-rotation locking according to claim 1, characterized in that, The inner column (2) has an annular groove (11) on its side, and the upper movable ring (4) is sleeved on the side of the annular groove (11). The lower fixed ring (3) and the upper movable ring (4) have extrusion grooves (13) on their opposite sides that are adapted to the second elastic element (12).

5. A push-button pump with anti-over-rotation locking according to claim 3, characterized in that, The first connecting ring cover (16) has a second opening groove (15) on its side that communicates with the through hole (9). The guide post (10) has a T-shaped cross section. The limiting block (5) has a connecting hole (14) on one side that is threaded to one end of the guide post (10).

6. A push-button pump with anti-over-rotation locking according to claim 1, characterized in that, An arc-shaped groove (17) is provided on the lower inner side wall of the first connecting ring cover (16), and a sealing ring (18) is embedded in the arc-shaped groove (17).

7. A push-button pump with anti-over-rotation locking according to claim 1, characterized in that, The upper part of the outer column (1) is fixedly connected to a connecting ring (21) that is connected to the first connecting ring cover (16). The side of the connecting ring (21) is fixedly connected to a pressure plate (19). The lower side of the pressure plate (19) is provided with an elastic pad (22). A second connecting ring cover (23) is provided between the first connecting ring cover (16) and the pressure plate (19).

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