Extension joint for high-pressure pipe
By designing the connector body and connector extension assembly of the high-pressure pipe extension joint, and utilizing the cooperation of the operating plate and spring, stable extension and limiting of the high-pressure pipe are achieved, solving the problem of connector wobbling and improving service life.
Patent Information
- Application Number
- CN202423154779.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing high-pressure pipe extension joints are not easy to limit in time during use, causing the joint to wobble and affecting its service life.
A high-pressure pipe extension connector is designed, comprising a connector body, a connector extension assembly, an anti-slip sleeve, a follower shaft, gears, a rack, a contact plate, an extension tube, and a sealing ring. The extension and limiting of the connector are achieved by moving the pull-out column and the insertion column through the operating plate, and the insertion column is fixed by the elastic force of the spring to ensure stability.
This design achieves stability and convenience for high-pressure pipe extension joints, prevents joint shaking, and extends service life.
Smart Images
Figure CN223511691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pressure pipe technical field, concretely is a high pressure pipe extension joint. BACKGROUND
[0002] The joint of high pressure pipe is the pipe fitting arranged for connecting two high pressure pipes or two sections of high pressure pipe, and the main functions are connection, turning, support and sealing etc. The high pressure pipe extension joint is the pipe fitting specially designed for lengthening the high pressure pipe, which can make the high pressure pipe adapt to more use scenes.
[0003] In the prior art, the high pressure pipe extension joint has the problem of inconvenient and timely limiting during use, which can cause the joint to shake back and forth after the lengthening action is completed, and finally reduce the service life of the joint. Therefore, the high pressure pipe extension joint is provided. UTILITY MODEL CONTENTS
[0004] The utility model discloses a high pressure pipe extension joint to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a high pressure pipe extension joint, including the joint body, be provided with the joint extension subassembly on the joint body, the joint extension subassembly includes the first vertical board of fixed connection in the middle part rear side of joint body outer end, the first vertical board front end is connected with the follow -up shaft through the bearing rotation, the follow -up shaft front end fixed connection has the gear, the gear front end is set up and is close to the multiple round distribution's insertion hole, the joint body outer end middle part front side fixed connection has the second vertical board, the second vertical board is close to the fixed connection of spring in the gear one end, the spring rear end fixed connection has the insertion column, the insertion column is close to the fixed connection of pull -out column in the spring one end, the insertion column outer end sliding connection insertion hole, the gear outer end is engaged and is connected with two symmetrical toothed racks, every toothed rack outer end all is fixedly connected with the contact plate, every contact plate lower extreme all is fixedly connected with the extension pipe, the extension pipe outer end sliding connection joint body.
[0006] Preferably, the insertion column is rounded at the end away from the pull-out column, and the insertion hole is rounded at the inner end.
[0007] Preferably, the spring is sleeved on the pull-out column, and the toothed rack is fixedly connected with a blocking plate at the end away from the contact plate.
[0008] Preferably, the joint body is fixedly connected with a plurality of anti-skid sleeves that are evenly distributed at the outer end.
[0009] Preferably, the pull-out column is fixedly connected with an operation plate at the end away from the insertion column, the pull-out column passes through the second vertical board, and the outer diameter size of the operation plate is greater than the outer diameter size of the pull-out column.
[0010] Preferably, two said extension pipe end close to each other are fixedly connected with sealing ring, and outer end of the sealing ring is slidably connected with the joint body.
[0011] Compared with the prior art, the utility model has the advantages of:
[0012] The joint body, the anti-skid sleeve, the joint extension assembly, the first vertical plate, the follow-up shaft, the gear, the rack, the contact plate, the extension pipe, the sealing ring, the blocking plate, the jack, the second vertical plate, the spring, the insertion column, the pull-out column and the operation plate can complete the extension action of the joint body when needed. At this time, the operation plate is first pulled out, which drives the pull-out column to move and drives the insertion column to disengage from the jack. The insertion column compresses the spring. Then, one side of the extension pipe is pulled out, which drives the contact plate and the rack to move. The rack drives the gear to rotate and drives the other side of the rack to move out. The other side of the extension pipe also moves out. When the extension pipe moves out, the position of the insertion column and the jack is adjusted, the operation plate is released, and the spring drives the insertion column to be pressed into the jack. The utility model realizes the extension action of the joint body in two directions and limits the extended joint body in time, improving the stability and convenience. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the structure of the joint extension assembly of the utility model Figure One ;
[0015] Figure 3 It is a schematic diagram of the structure of the joint extension assembly of the utility model Figure Two ;
[0016] Figure 4 It is an enlarged view of the structure of part A of the utility model Figure 3 .
[0017] In the figure: 1, joint body; 2, anti-skid sleeve; 3, joint extension assembly; 31, first vertical plate; 32, follow-up shaft; 33, gear; 34, rack; 35, contact plate; 36, extension pipe; 37, sealing ring; 38, blocking plate; 39, jack; 310, second vertical plate; 311, spring; 312, insertion column; 313, pull-out column; 314, operation plate. DETAILED DESCRIPTION
[0018] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.
[0019] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a high-pressure pipe extension joint, including joint body 1, joint body 1 is provided with joint extension assembly 3, joint extension assembly 3 includes the first vertical board 31 of fixed connection in the middle part rear side of joint body 1 outer end, first vertical board 31 front end is rotatably connected with follow-up shaft 32 by bearing, follow-up shaft 32 front end is fixedly connected with gear 33, gear 33 front end is provided with multiple insertion holes 39 in circumferential distribution, joint body 1 outer end middle part front side is fixedly connected with second vertical board 310, second vertical board 310 is fixedly connected with spring 311 close to one end of gear 33, spring 311 rear end is fixedly connected with insertion column 312, insertion column 312 is fixedly connected with pull-out column 313 close to one end of spring 311, insertion column 312 outer end is slidably connected insertion hole 39, gear 33 outer end is engagedly connected with two symmetrical rack 34, each rack 34 outer end is fixedly connected with contact plate 35, and each contact plate 35 lower end is fixedly connected with extension pipe 36, and extension pipe 36 outer end is slidably connected joint body 1.
[0020] In the embodiment, the end of the insertion column 312 away from the pull-out column 313 is rounded, and the inner end of each insertion hole 39 is rounded.
[0021] Specifically, it is ensured that the insertion column 312 does not interfere with the insertion hole 39.
[0022] In the embodiment, the spring 311 is sleeved on the pull-out column 313, and the rack 34 is fixedly connected with a blocking plate 38 away from the contact plate 35.
[0023] Specifically, the blocking plate 38 can complete the maximum limiting action of the rack 34, to prevent the rack 34 from disengaging from the gear 33.
[0024] In the embodiment, the joint body 1 is fixedly connected with a plurality of anti-skid sleeves 2 evenly distributed on the outer end.
[0025] Specifically, the anti-skid sleeve 2 can increase the friction force when the staff picks up the joint body 1.
[0026] In the embodiment, the pull-out column 313 is fixedly connected with an operation plate 314 away from the insertion column 312, the pull-out column 313 passes through the second vertical plate 310, and the outer diameter size of the operation plate 314 is greater than the outer diameter size of the pull-out column 313.
[0027] Specifically, the direct work on the pull column 313 can be completed by the operation plate 314.
[0028] In the embodiment, the two extension pipes 36 are fixedly connected with sealing rings 37 at one end close to each other, and the outer end of the sealing ring 37 is slidingly connected with the joint body 1.
[0029] Specifically, the sealing ring 37 can be provided to complete the sealing action on the joint between the extension pipe 36 and the joint body 1.
[0030] Working principle: when using the device, the operation plate 314 can be first pulled outwards at this time, the operation plate 314 drives the pull column 313 to move and drives the plug-in column 312 to disengage from the plug-in hole 39, the plug-in column 312 at this time compresses the spring 311, and then the extension pipe 36 on one side can be pulled outwards, the extension pipe 36 at this time drives the contact plate 35 and the rack 34 to move, the rack 34 at this time drives the gear 33 to rotate and drives the rack 34 on the other side to move outward, the extension pipe 36 on the other side also moves outward at this time, when the extension pipe 36 moves outward, the position of the plug-in column 312 and the plug-in hole 39 can be fine-tuned, the pull action on the operation plate 314 is released, and the spring 311 can press the plug-in column 312 into the plug-in hole 39 by the elastic force of itself. The utility model realizes the action of extending the joint body 1 in both directions, and can also limit the extended joint body 1 in time, improving the stability and convenience.
[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-pressure pipe extension joint comprising a joint body (1), characterized in that: The joint body (1) is provided with a joint extension assembly (3), the joint extension assembly (3) comprises a first vertical plate (31) fixedly connected to the rear side of the middle part of the outer end of the joint body (1), the front end of the first vertical plate (31) is rotatably connected with a follow-up shaft (32) through a bearing, the front end of the follow-up shaft (32) is fixedly connected with a gear (33), a plurality of insertion holes (39) are formed in the front end of the gear (33) and are circumferentially distributed, a second vertical plate (310) is fixedly connected to the front side of the middle part of the outer end of the joint body (1), the second vertical plate (310) is fixedly connected with a spring (311) at one end close to the gear (33), the rear end of the spring (311) is fixedly connected with an insertion column (312), the insertion column (312) is fixedly connected with a pull-out column (313) at one end close to the spring (311), the outer end of the insertion column (312) is slidably connected with the insertion hole (39), the outer end of the gear (33) is meshingly connected with two symmetrically arranged racks (34), the outer end of each rack (34) is fixedly connected with a contact plate (35), and the lower end of each contact plate (35) is fixedly connected with an extension pipe (36), and the outer end of the extension pipe (36) is slidably connected with the joint body (1).
2. A high pressure pipe extension joint according to claim 1, characterised in that: The end of the insertion column (312) away from the pull-out column (313) is rounded, and the inner end of each insertion hole (39) is rounded.
3. A high pressure pipe extension joint according to claim 1, characterized in that: The spring (311) is sleeved on the pull-out column (313), and the rack (34) is fixedly connected with a blocking plate (38) at one end away from the contact plate (35).
4. A high pressure pipe extension joint according to claim 1, characterized in that: The outer end of the joint body (1) is fixedly connected with a plurality of evenly distributed anti-skid sleeves (2).
5. A high pressure pipe extension joint according to claim 1, characterized in that: The end of the pull-out column (313) away from the insertion column (312) is fixedly connected with an operation plate (314), the pull-out column (313) passes through the second vertical plate (310), and the outer diameter size of the operation plate (314) is greater than that of the pull-out column (313).
6. A high pressure pipe extension joint according to claim 1, characterized in that: The ends of the two extension pipes (36) close to each other are fixedly connected with sealing rings (37), and the outer ends of the sealing rings (37) are slidably connected with the joint body (1).