Quick disassembly and assembly structure for valve seat of manual throttle valve

Abstract

The utility model relates to the technical field of disassembly and assembly of throttle valve seats, and discloses a quick disassembly and assembly structure of a manual throttle valve seat, which comprises a base, and a disassembly device is arranged above the base. According to the quick disassembly and assembly structure for the valve seat of the manual throttle valve, by arranging the mounting plate, the motor, the clamping plate, the sliding rod, the mounting disc, a screw rod, a connecting rod, a mounting pipe, a threaded sleeve, a gear, a gear ring and a mounting block, the screw rod is rotated, the sliding rod and the clamping plate are driven to move, the outer surface of the clamping plate extrudes the interior of the valve seat, and the motor is started to drive the mounting pipe, the mounting disc and the clamping plate to rotate; the valve seat is rotated down from the valve body, and on the contrary, the valve seat can be conveniently installed in the valve body; by arranging the fixing plate, the spring and the hydraulic rod, the hydraulic rod is controlled to extend, the valve seat is lifted, the valve seat can slowly move upwards when rotating, and when the moving speed of the valve seat is inconsistent with the extending speed of the hydraulic rod, the spring is used for buffering, so that the situation that threads on the outer surface of the valve seat are subjected to too large extrusion force, and consequently the threads are broken is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to throttle valve seat dismounting technical field, concretely is a kind of hand throttle valve seat quick dismounting structure. BACKGROUND

[0002] The working principle of hand throttle valve is to change the pass-through diameter of throttle by manually rotating valve, and the diameter of valve seat is the maximum flow-through diameter of valve, and the valve seat is in extrusion contact with the outer surface of valve core during use, and the valve seat and the outer surface of valve core realize sealing by extrusion contact when valve is closed.

[0003] Chinese patent discloses a valve seat dismounting device and method, the publication number is CN110977872A, including rod part and the hook-shaped part formed by bending from the lower end of rod part to outside, the upper end of rod part is hingedly connected to disc piece, to enable hook claw to swing inside and outside relative to the central axis of disc piece;Disc piece is provided with through hole in the middle;Lifting rod includes screw rod and tray;The lower end of screw rod is fixedly connected to the middle position of tray;The screw rod of lifting rod passes through through hole and forms screw cooperation between through hole, to enable tray to move to the different height of rod part supporting each hook claw along vertical direction relative to disc piece and hook claw.The beneficial effects of the present application are that valve seat dismounting is convenient and labor-saving, and valve seat mounting surface is not easy to damage.

[0004] But still include following shortcoming: device utilizes end hook to resist valve seat bottom surface, and pulls out lifting rod, and valve seat is pulled out, but some valve seat outer surface is provided with thread, and is connected with the inner wall of valve body thread, and end hook is difficult to drive valve seat to rotate, and valve seat is difficult to be dismounted.Therefore, we propose a kind of hand throttle valve seat quick dismounting structure to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hand throttle valve seat quick dismounting structure to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of hand throttle valve seat quick dismounting structure, including base, the dismounting device is arranged on the top of base, and the dismounting device includes clamping part;

[0007] The clamping part includes double-threaded screw rod, the top surface of base is provided with through slot, and the outer surface of double-threaded screw rod is rotated and extended to the front of base by first bearing and penetrates through slot inner wall;

[0008] The dismounting part is arranged above the base;

[0009] The dismounting part comprises a mounting plate, a motor, a clamping plate, a sliding rod, a mounting disc, a screw rod and a mounting block, the mounting block is sleeved on the outer surface of the mounting pipe, the bottom surface of the motor is fixedly connected with the top surface of the mounting plate, the outer surface of the bottom end of the screw rod penetrates through the top surface of the mounting pipe and extends into the mounting pipe, the bottom surface of the mounting pipe is fixedly connected with the top surface of the mounting disc, the outer surface of the sliding rod is fixedly connected with the outer surface of the clamping plate, and the outer surface of the sliding rod extends into the mounting disc and is slidably connected with the inner wall of the mounting disc.

[0010] Further improvement lies in that the clamping part further comprises a sliding block and a mounting frame, the sliding block is threadedly sleeved on the outer surface of the double-thread screw rod, and the bottom surface of the mounting frame is fixedly connected with the top surface of the sliding block.

[0011] Further improvement lies in that the dismounting part further comprises a hydraulic rod, a connecting rod, a mounting pipe, a fixed plate, a threaded sleeve, a spring, a gear and a gear ring, the threaded sleeve is threadedly sleeved on the outer surface of the screw rod, the bottom end of the connecting rod is hingedly connected with the top surface of the sliding rod, and the top end of the connecting rod is hingedly connected with the outer surface of the threaded sleeve, the screw rod, the threaded sleeve, the connecting rod, the sliding rod and the clamping plate are arranged, the screw rod is rotated to make the clamping plate away from the mounting disc, the inner wall of the valve body is clamped, the valve body is dismounted and mounted by rotating the mounting disc.

[0012] Further improvement lies in that the outer surface of the mounting block is provided with an annular groove, and the outer surface of the mounting plate extends into the annular groove and is slidably connected with the inner wall of the annular groove, the mounting block is arranged to facilitate the rotation of the mounting pipe and the mounting disc.

[0013] Further improvement lies in that the outer surface of the motor output shaft penetrates through the top surface of the mounting plate and extends below the mounting plate through a third bearing, the gear is fixedly sleeved on the outer surface of the motor output shaft, and the gear ring is fixedly sleeved on the outer surface of the mounting block, the motor, the gear and the gear ring are arranged, the motor is started, the mounting disc and the clamping plate are driven to rotate, and the valve seat is rotated relative to the valve body.

[0014] Further improvement lies in that the bottom surface of the hydraulic rod is fixedly connected with the top surface of the base, and the top surface of the output rod of the hydraulic rod is fixedly connected with the bottom surface of the mounting plate, the hydraulic rod is arranged to facilitate the rising and falling of the valve seat.

[0015] Further improvement lies in that the fixed plate is fixedly sleeved on the outer surface of the mounting pipe, the bottom end of the spring is fixedly connected with the top surface of the mounting block, and the top end of the spring is fixedly connected with the bottom surface of the fixed plate, the spring and the fixed plate are arranged, when the valve body rotates, the valve body will relatively displace in the vertical direction, when the extension of the hydraulic rod is not accurate enough, the valve seat upper thread will be pressed against the inner wall of the valve body with excessive force, the spring force is utilized to make the mounting pipe displace a small distance in the vertical direction with the mounting plate, and mechanical collision between the valve seat upper thread and the inner wall of the valve body is prevented.

[0016] Compared with the prior art, the hand-operated throttle valve seat quick dismounting structure has the advantages that the installation plate, the motor, the clamping plate, the sliding rod, the mounting disc, the screw rod, the connecting rod, the mounting pipe, the threaded sleeve, the gear, the gear ring and the mounting block are arranged, the screw rod is rotated, the sliding rod and the clamping plate are driven to move, the outer surface of the clamping plate is pressed against the inside of the valve seat, the motor is started, the motor drives the mounting pipe, the mounting disc and the clamping plate to rotate, the valve seat is rotated and lowered from the valve body, and vice versa, so that the valve seat is conveniently mounted in the valve body; the fixing plate, the spring and the hydraulic rod are arranged, the valve seat is lifted by controlling the extension of the hydraulic rod, when the valve seat is rotated, the valve seat is slowly moved upward, when the moving speed of the valve seat is inconsistent with the extension speed of the hydraulic rod, the spring is used for buffering, and the threads on the outer surface of the valve seat are prevented from being broken due to excessive extrusion force; the sliding block, the double-thread screw rod and the mounting frame are arranged, and the mounting frame is used for clamping and positioning the valve body by rotating the double-thread screw rod. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the dismounting device of the utility model;

[0018] Figure 2 It is a three-dimensional structure sectional view of the clamping part of the utility model;

[0019] Figure 3 It is a three-dimensional structure partial sectional view of the dismounting device of the utility model;

[0020] Figure 4 It is Figure 3 It is an enlarged view of structure in B;

[0021] Figure 5 It is Figure 3 It is an enlarged view of structure in A.

[0022] In the drawing: 1 base, 2 dismounting device, 21 clamping part, 22 dismounting part, 211 sliding block, 212 double-thread screw rod, 213 mounting frame, 221 installation plate, 222 motor, 223 hydraulic rod, 224 clamping plate, 225 sliding rod, 226 mounting disc, 227 screw rod, 228 connecting rod, 229 mounting pipe, 220 fixing plate, 201 threaded sleeve, 202 spring, 203 gear, 204 gear ring, 205 mounting block. DETAILED DESCRIPTION

[0023] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a hand-operated throttle valve seat quick dismounting structure, including base 1, base 1 top is provided with dismounting device 2, and dismounting device 2 includes clamping part 21;

[0025] Clamping part 21 includes double thread screw rod 212, and the top surface of base 1 is provided with a through slot, and the outer surface of double thread screw rod 212 is rotatably penetrated through the inner wall of the through slot and extends to the front of base 1, and clamping part 21 further includes sliding block 211 and mounting rack 213;

[0026] Sliding block 211 is threadedly sleeved on the outer surface of double thread screw rod 212, and the bottom surface of mounting rack 213 is fixedly connected with the top surface of sliding block 211, by setting sliding block 211, double thread screw rod 212 and mounting rack 213, mounting rack 213 is clamped and positioned to the valve body by rotating double thread screw rod 212;

[0027] Base 1 top is provided with dismounting part 22;

[0028] Dismounting part 22 includes mounting plate 221, motor 222, clamping plate 224, slide rod 225, mounting disc 226, screw rod 227 and mounting block 205, mounting block 205 is slidably sleeved on the outer surface of mounting pipe 229, the bottom surface of motor 222 is fixedly connected with the top surface of mounting plate 221, the bottom end of screw rod 227 is rotatably penetrated through the top surface of mounting pipe 229 and extends to the inside of mounting pipe 229 through the second bearing, the bottom surface of mounting pipe 229 is fixedly connected with the top surface of mounting disc 226, the outer surface of slide rod 225 is fixedly connected with the outer surface of clamping plate 224, the outer surface of slide rod 225 extends to the inside of mounting disc 226 and is slidably connected with the inner wall of mounting disc 226, and dismounting part 22 further includes hydraulic rod 223, connecting rod 228, mounting pipe 229, fixed plate 220, threaded sleeve 201, spring 202, gear 203 and gear ring 204;

[0029] The bottom surface of hydraulic rod 223 is fixedly connected with the top surface of base 1, and the top surface of the output rod of hydraulic rod 223 is fixedly connected with the bottom surface of mounting plate 221;

[0030] Fixed plate 220 is fixedly sleeved on the outer surface of mounting pipe 229, the bottom end of spring 202 is fixedly connected with the top surface of mounting block 205, and the top end of spring 202 is fixedly connected with the bottom surface of fixed plate 220, by setting fixed plate 220, spring 202 and hydraulic rod 223, the valve seat is lifted by controlling the elongation of hydraulic rod 223, when the valve seat rotates, it will slowly move upwards, when the moving speed of valve seat is inconsistent with the elongation speed of hydraulic rod 223, spring 202 is used for buffering, so that the screw thread on the outer surface of valve seat is prevented from being broken due to too large extrusion force;

[0031] The outer surface of the mounting block 205 is provided with a ring groove, the outer surface of the mounting plate 221 extends to the inside of the ring groove and is in sliding connection with the inner wall of the ring groove, the threaded sleeve 201 is threaded on the outer surface of the screw rod 227, the bottom end of the connecting rod 228 is hinged to the top surface of the sliding rod 225, and the top end of the connecting rod 228 is hinged to the outer surface of the threaded sleeve 201;

[0032] The outer surface of the motor 222 output shaft is rotatably penetrated through the top surface of the mounting plate 221 and extends below the mounting plate 221 through the third bearing, the gear 203 is fixedly sleeved on the outer surface of the motor 222 output shaft, and the gear ring 204 is fixedly sleeved on the outer surface of the mounting block 205, and the mounting plate 221, the motor 222, the clamping plate 224, the sliding rod 225, the mounting disc 226, the screw rod 227, the connecting rod 228, the mounting pipe 229, the threaded sleeve 201, the gear 203, the gear ring 204 and the mounting block 205 are arranged, the screw rod 227 is rotated, the sliding rod 225 and the clamping plate 224 are driven to move, the outer surface of the clamping plate 224 is pressed against the inside of the valve seat, the motor 222 is started, the motor 222 drives the mounting pipe 229, the mounting disc 226 and the clamping plate 224 to rotate, the valve seat is rotated downward from the valve body, and vice versa, so that the valve seat is mounted in the valve body.

[0033] In use, the double-threaded screw rod 212 is rotated, the two sliding blocks 211 are driven to move close to each other, the mounting frame 213 clamps the outer surface of the valve body, the hydraulic rod 223 is controlled to be shortened, the mounting disc 226 extends downward into the valve body, the screw rod 227 is rotated, the screw rod 227 drives the threaded sleeve 201 to move downward, the sliding rod 225 is pushed to move through the connecting rod 228, the outer surface of the clamping plate 224 is pressed against the inner wall of the valve seat, the motor 222 is started, the output shaft of the motor 222 drives the gear 203 to rotate, the gear 203 drives the gear ring 204 to rotate, the gear ring 204 drives the mounting block 205 to rotate, the mounting block 205 drives the mounting pipe 229, the mounting disc 226, the clamping plate 224 and the valve seat to rotate, when the valve seat rotates, it moves upward relative to the valve body, and at the same time, the hydraulic rod 223 is controlled to be elongated, the output rod of the hydraulic rod 223 pushes the mounting plate 221 to move upward, when the spring 202 is shortened, it indicates that the elongation speed of the hydraulic rod 223 is greater than the upward movement speed of the valve seat, the elongation speed of the hydraulic rod 223 is reduced, or the rotation speed of the output shaft of the motor 222 is increased, when the spring 202 is elongated, it indicates that the elongation speed of the hydraulic rod 223 is less than the upward movement speed of the valve seat, the elongation speed of the hydraulic rod 223 is increased, or the rotation speed of the output shaft of the motor 222 is reduced.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quick-release structure for a manual throttle valve seat, comprising a base (1), characterized in that: A disassembly device (2) is provided above the base (1), and the disassembly device (2) includes a clamping part (21); The clamping part (21) includes a double threaded screw (212), and the top surface of the base (1) is provided with a through groove. The outer surface of the double threaded screw (212) rotates through the inner wall of the through groove through the first bearing and extends to the front of the base (1). A disassembly part (22) is provided above the base (1); The disassembly unit (22) includes a mounting plate (221), a motor (222), a clamping plate (224), a slide rod (225), a mounting disc (226), a screw (227), and a mounting block (205). The mounting block (205) is slidably sleeved on the outer surface of the mounting tube (229). The bottom surface of the motor (222) is fixedly connected to the top surface of the mounting plate (221). The bottom outer surface of the screw (227) rotates through the top surface of the mounting tube (229) via a second bearing and extends into the interior of the mounting tube (229). The bottom surface of the mounting tube (229) is fixedly connected to the top surface of the mounting disc (226). The outer surface of the slide rod (225) is fixedly connected to the outer surface of the clamping plate (224). The outer surface of the slide rod (225) extends into the interior of the mounting disc (226) and is slidably connected to the inner wall of the mounting disc (226).

2. The quick-release structure for a manual throttle valve seat according to claim 1, characterized in that: The clamping part (21) also includes a slider (211) and a mounting bracket (213). The slider (211) is threaded onto the outer surface of the double-threaded screw (212), and the bottom surface of the mounting bracket (213) is fixedly connected to the top surface of the slider (211).

3. The quick-release structure for a manual throttle valve seat according to claim 1, characterized in that: The disassembly part (22) also includes a hydraulic rod (223), a connecting rod (228), an installation tube (229), a fixing plate (220), a threaded sleeve (201), a spring (202), a gear (203), and a gear ring (204). The threaded sleeve (201) is threaded onto the outer surface of the screw (227). The bottom end of the connecting rod (228) is hinged to the top surface of the slide rod (225), and the top end of the connecting rod (228) is hinged to the outer surface of the threaded sleeve (201).

4. The quick-release structure for a manual throttle valve seat according to claim 1, characterized in that: The outer surface of the mounting block (205) is provided with an annular groove, and the outer surface of the mounting plate (221) extends into the annular groove and is slidably connected to the inner wall of the annular groove.

5. The quick-release structure for a manual throttle valve seat according to claim 3, characterized in that: The outer surface of the output shaft of the motor (222) rotates through the top surface of the mounting plate (221) via the third bearing and extends to the bottom of the mounting plate (221). The gear (203) is fixedly sleeved on the outer surface of the output shaft of the motor (222), and the gear ring (204) is fixedly sleeved on the outer surface of the mounting block (205).

6. The quick-release structure for a manual throttle valve seat according to claim 3, characterized in that: The bottom surface of the hydraulic rod (223) is fixedly connected to the top surface of the base (1), and the top surface of the output rod of the hydraulic rod (223) is fixedly connected to the bottom surface of the mounting plate (221).

7. The quick-release structure for a manual throttle valve seat according to claim 3, characterized in that: The fixing plate (220) is fixedly sleeved on the outer surface of the mounting tube (229), the bottom end of the spring (202) is fixedly connected to the top surface of the mounting block (205), and the top end of the spring (202) is fixedly connected to the bottom surface of the fixing plate (220).

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