CN213332872U

CN213332872U - External thread connector

Info

Publication number: CN213332872U
Application number: CN202022357859.1U
Authority: CN
Inventors: 孔祥振; 刘海波; 常宗鑫
Original assignee: Huixinsheng Tianjin Precision Machinery Technology Co ltd
Current assignee: Huixinsheng Tianjin Precision Machinery Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-01
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a sealing connection instrument technical field discloses an external thread connector. The external thread connector comprises a shell assembly, a testing assembly and a pushing assembly, a second connecting seat and a third connecting seat are in threaded connection, an air hole is formed in the second connecting seat and can be filled with testing pressure, and the first connecting seat comprises a step. The test assembly comprises a clamping jaw and a connecting block, the connecting block is in threaded connection with the first connecting seat and the second connecting seat respectively, the clamping jaw comprises a plurality of valve bodies, the clamping jaw comprises a connecting portion, an inner thread and an abutting portion, the abutting portion abuts against the step, and the inner thread is matched with the external threaded hole to be tested. The promotion subassembly includes piston and spring, and the piston slides, has seted up the draw-in groove on the piston, and the spring is connected with piston and connecting block respectively, joint portion joint in the draw-in groove, and the one side that the step was kept away from to joint portion has the gradient. The piston slides to drive the clamping jaws to retract or open so as to be quickly connected with the external threaded hole to be tested, the operation is simple, and the testing efficiency is improved.

Description

External thread connector

Technical Field

The utility model relates to a sealing connection instrument technical field especially relates to an external thread connector.

Background

With the development of products, the quality requirements of people on the products are higher and higher, so that the workpieces need to be tested before leaving factories, and particularly, the air tightness and the compression strength of the products need to be tested.

For the connection, an external threaded hole is often required to be formed in the workpiece. Before leaving the factory, the air tightness of the external threaded hole of the workpiece needs to be tested, so that the yield of the workpiece is ensured. In the prior art, a manual mode is often adopted for testing, the testing efficiency is low, and the product overstock is caused.

Therefore, it is desirable to provide a male connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on the above, an object of the utility model is to provide an external thread connector to solve the problem that efficiency of software testing is low that leads to because of artifical test among the prior art.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an externally threaded connector comprising:

the test device comprises a shell assembly, a test device and a test system, wherein the shell assembly comprises a first connecting seat, a second connecting seat and a third connecting seat, the second connecting seat and the third connecting seat are in threaded connection, an air hole is formed in the second connecting seat, the air hole is configured to be filled with test pressure, and the first connecting seat comprises a step;

the testing assembly comprises a clamping jaw and a connecting block, the connecting block is in threaded connection with the first connecting seat and the second connecting seat respectively, the clamping jaw comprises a plurality of petal bodies, the petal bodies are arranged at intervals along the circumferential direction of the connecting block, the clamping jaw comprises a clamping portion, an internal thread and an abutting portion which are connected, the abutting portion can abut against the step, and the internal thread is configured to be matched with an external threaded hole to be tested;

the pushing assembly comprises a piston and a spring, the piston is arranged in the shell assembly in a sliding mode, a clamping groove is formed in the piston, one end of the spring is connected with the piston, the other end of the spring is connected with the connecting block, the clamping portion is clamped in the clamping groove, and one face, far away from the step, of the clamping portion is inclined.

Further, the test assembly further comprises a blocking block, the blocking block is arranged in the clamping jaw, the piston is slidably arranged on the blocking block, and the outer threaded hole to be tested can be in contact with the blocking block.

Furthermore, the test assembly further comprises a plugging top column, the piston is provided with a jack, one end of the plugging top column is inserted into the jack, and the other end of the plugging top column is connected with the plugging block.

Further, the second connecting seat comprises a convex column, the convex column is opposite to the jack, and the convex column can be abutted to the plugging top column.

Furthermore, a first air passage is formed in the second connecting seat, a second air passage is formed in the blocking block, a third air passage is formed in the blocking ejection column, the first air passage is communicated with the air hole, and the third air passage is communicated with the first air passage and the second air passage respectively.

Further, the external thread connector further comprises a sealing assembly, the sealing assembly comprises a first O-shaped ring, a sealing groove is formed in the blocking block, and the first O-shaped ring is sleeved in the sealing groove.

Further, the pushing assembly further comprises a driving block, the driving block is slidably arranged in the third connecting seat, and the driving block is connected with the piston.

Furthermore, the pushing assembly further comprises a driving rod, one end of the driving rod is connected with the driving block, and the other end of the driving rod penetrates through the connecting block and is connected with the piston.

Further, the external thread connector further comprises a force application assembly, the force application assembly comprises a handle and a roller, the handle is rotatably arranged on the third connecting seat, the roller is rotatably arranged on the handle, and the roller can be in contact with the driving block.

The utility model has the advantages that:

the utility model provides an external thread connector includes shell subassembly, test component and promotion subassembly, and test component and promotion unit mount are in shell subassembly, and test component is used for and awaits measuring the external screw thread jogged joint, and the promotion subassembly is used for driving test component and the external screw thread jogged joint that awaits measuring, then through filling test pressure in the shell subassembly to carry out the gas tightness test to the screw hole that awaits measuring, guarantee the yield of work piece. The external thread connector is simple to operate and high in connection speed, and the testing efficiency is improved, so that the workpieces to be tested are not overstocked. Wherein, shell subassembly includes first connecting seat, second connecting seat and third connecting seat threaded connection, offer the gas pocket on the second connecting seat, the gas pocket is configured to fill test pressure, and first connecting seat includes the step. The test component comprises a clamping jaw and a connecting block, the connecting block is respectively in threaded connection with the first connecting seat and the second connecting seat, the clamping jaw comprises a plurality of valve bodies, the valve bodies are arranged along the circumferential interval of the connecting block, the clamping jaw comprises a connecting portion, an internal thread and a butting portion, the butting portion can be butted on the step, and the internal thread is configured to be matched with the external threaded hole to be tested. The promotion subassembly includes piston and spring, and the piston slides and sets up in shell subassembly, has seted up the draw-in groove on the piston, and the one end and the piston of spring are connected, and the other end and the connecting block of spring are connected, joint portion joint in the draw-in groove, and the one side that the step was kept away from to joint portion has the gradient. The piston slides to the direction that is close to the external thread hole, drives the jack catch and moves forward, and the jack catch part stretches out first connecting seat, piston compression spring, until butt portion butt on the step, continues the slip piston for draw-in groove extrusion joint portion has the one side of gradient, and then makes the jack catch take place to rotate, thereby makes a plurality of lamella bodies open, is convenient for insert this internal thread with the external screw hole that awaits measuring. Then, remove the sliding force of piston, the piston resets under the elastic force effect of spring, drives the jack catch and resets, and a plurality of lamella body interlocks on the outer screw hole that awaits measuring for the internal thread is accomplished with the external screw hole connection that awaits measuring, the subsequent test work of being convenient for. The operation is simple, the connection speed is high, the testing efficiency is improved, and the workpieces to be tested are not overstocked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. Wherein:

fig. 1 is a schematic structural view of an externally threaded connector according to an embodiment of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure:

1-a housing assembly; 2-a force application assembly; 3-testing the component; 4-a pushing assembly; 5-a sealing component;

11-a first connection seat; 12-a second connection seat; 13-a third connecting seat; 21-a handle; 22-a roller; 23-handle pin shaft; 24-a roller pin; 31-a jaw; 32-a blocking block; 33-plugging the top column; 34-a connecting block; 41-a drive block; 42-a drive rod; 43-a piston; 44-a spring; 45-a guide block; 51-a first O-ring; 52-a second O-ring;

111-step; 121-air holes; 122-convex column; 123-a first airway; 211-a force application part; 212-a rotating part; 311-lobe body; 312-a snap-fit portion; 313-internal threads; 314-an abutment; 321-a seal groove; 322-a second airway; 331-third airway; 431-card slot; 432-jack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-2, the present embodiment provides an external thread connector, which includes a housing assembly 1, a testing assembly 3 and a pushing assembly 4, wherein the testing assembly 3 and the pushing assembly 4 are installed in the housing assembly 1, the testing assembly 3 is used for being connected with an external thread hole to be tested, the pushing assembly 4 is used for driving the testing assembly 3 to be connected with the external thread hole to be tested, and then the testing pressure is filled in the housing assembly 1 to perform an air tightness test on the threaded hole to be tested, thereby ensuring the yield of workpieces. The external thread connector is simple to operate and high in connection speed, and the testing efficiency is improved, so that the workpieces to be tested are not overstocked.

Wherein, shell subassembly 1 includes first connecting seat 11, second connecting seat 12 and third connecting seat 13, and second connecting seat 12 and third connecting seat 13 threaded connection have seted up gas pocket 121 on the second connecting seat 12, and gas pocket 121 is configured to fill test pressure, and first connecting seat 11 includes step 111. The test component 3 includes jack catch 31 and connecting block 34, and connecting block 34 respectively with first connecting seat 11 and second connecting seat 12 threaded connection, and jack catch 31 includes a plurality of lamella bodies 311, and a plurality of lamella bodies 311 set up along the circumference interval of connecting block 34, and jack catch 31 is including the joint portion 312, internal thread 313 and the butt portion 314 that are connected, and butt portion 314 can butt on step 111, and internal thread 313 is configured as and awaits measuring the external screw hole cooperation. The pushing assembly 4 comprises a piston 43 and a spring 44, the piston 43 is slidably arranged in the housing assembly 1, a clamping groove 431 is formed in the piston 43, one end of the spring 44 is connected with the piston 43, the other end of the spring 44 is connected with the connecting block 34, the clamping portion 312 is clamped in the clamping groove 431, and one face, far away from the step 111, of the clamping portion 312 has inclination. Piston 43 slides to the direction that is close to the external thread hole, drives jack catch 31 and moves forward, and jack catch 31 part stretches out first connecting seat 11, and piston 43 compression spring 44, until butt portion 314 butt on step 111, continues to slide piston 43 for draw-in groove 431 extrudes the one side that joint portion 312 has the gradient, and then makes jack catch 31 take place to rotate, thereby makes a plurality of lamella bodies 311 open, is convenient for insert this internal thread 313 with the external screw hole that awaits measuring. That is, the jaws 31 may be opened due to the structures of the first coupling seats 11 and the jaws 31. Then, the sliding force of the piston 43 is removed, the piston 43 resets under the action of the elastic force of the spring 44, the claw 31 is driven to reset, and the plurality of petals 311 are occluded on the external threaded hole to be tested, so that the connection between the internal thread 313 and the external threaded hole to be tested is completed, and the subsequent test work is facilitated. The split design of the jaws 31 allows the jaws 31 to be closed or opened to achieve a quick connection of the internal thread 313 with the external threaded hole to be tested. The operation is simple, the connection speed is high, the testing efficiency is improved, and the workpieces to be tested are not overstocked.

In the present embodiment, the number of the petals 311 is four. A part of the internal thread 313 is arranged on each of the four petals 311, and the complete internal thread 313 is formed by splicing the partial internal threads on the four petals 311.

As shown in fig. 1, the testing assembly 3 further includes a blocking block 32, the blocking block 32 is disposed in the clamping jaw 31, the piston 43 is slidably disposed on the blocking block 32, and the external threaded hole to be tested can be in contact with the blocking block 32. The arrangement of the block 32 supports the jaw 31.

Further, the testing component 3 further comprises a plugging top pillar 33, the piston 43 is provided with a jack 432, one end of the plugging top pillar 33 is inserted into the jack 432, and the other end is connected with the plugging block 32.

Further, the second connection socket 12 includes a protruding column 122, the protruding column 122 is opposite to the insertion hole 432, and the protruding column 122 can abut against the plugging top column 33. The convex column 122 is arranged to limit the plugging top column 33.

Further, the second connecting seat 12 has a first air passage 123, the blocking block 32 has a second air passage 322, the blocking top pillar 33 has a third air passage 331, the first air passage 123 is communicated with the air hole 121, and the third air passage 331 is respectively communicated with the first air passage 123 and the second air passage 322. The air hole 121, the first air passage 123, the second air passage 322 and the third air passage 331 form a complete air passage, test pressure (the highest pressure can reach 50MPa, and instant (0.5-1 second) pressure supply) is filled into the shell component 1 through the air hole 121, the pressure sequentially passes through the air hole 121, the first air passage 123, the third air passage 331 and the second air passage 322 and enters the external threaded hole to be tested, and whether the air tightness of the external threaded hole to be tested meets the standard or not can be tested through the test pressure filling, so that the yield of workpieces with the external threaded hole is guaranteed.

Further, the external thread connector further comprises a sealing assembly 5, the sealing assembly 5 comprises a first O-ring 51, a sealing groove 321 is formed in the blocking block 32, and the first O-ring 51 is sleeved in the sealing groove 321. The first O-ring 51 is arranged to make the plugging block 32 and the workpiece to be tested fit more tightly when the piston 43 is reset.

Further, the pushing assembly 4 further includes a driving block 41, the driving block 41 is slidably disposed in the third connecting seat 13, and the driving block 41 is connected with the piston 43.

Further, the pushing assembly 4 further includes a driving rod 42, one end of the driving rod 42 is connected to the driving block 41, and the other end thereof passes through the connecting block 34 and is connected to the piston 43.

Specifically, the number of the drive rods 42 is plural, and the plural drive rods 42 are each connected to the drive block 41 and the piston 43. In the present embodiment, the number of the drive levers 42 is three, and the three drive levers 42 are provided at intervals in the circumferential direction of the drive block 41.

Further, the pushing assembly 4 further includes a guide block 45, and the guide block 45 is sleeved on the driving block 41 and plays a guiding role in guiding the sliding of the driving block 41.

Further, the external thread connector further comprises a force application assembly 2, the force application assembly 2 comprises a handle 21 and a roller 22, the handle 21 is rotatably arranged on the third connecting seat 13, the roller 22 is rotatably arranged on the handle 21, and the roller 22 can be in contact with the driving block 41. Specifically, the junction of the roller 22 and the drive block 41 is semicircular, which is the stroke of the entire roller 22. That is, the portion of the driving block 41 facing the roller 22 is semicircular.

Further, handle 21 includes integrated into one piece's application of force portion 211 and rotation portion 212, and rotation portion 212 rotates and sets up on third connecting seat 13, and gyro wheel 22 rotates and sets up on rotation portion 212, and the tester accessible is to application of force portion 211 application of force to drive jack catch 31 open and close, the going on of test work of being convenient for.

Further, the force application assembly 2 further includes a handle pin 23, the handle pin 23 is installed on the third connecting seat 13, and the rotating portion 212 is rotatably disposed on the handle pin 23.

Further, the force application assembly 2 further includes a roller pin 24, the roller pin 24 is installed on the rotating portion 212, and the roller 22 is rotatably installed on the roller pin 24. The force application component 2 applies force by utilizing the lever principle, so that the operation is simple and convenient, the labor is saved, and the testing efficiency is improved.

Further, the sealing assembly 5 further comprises a second O-ring 52, and the second O-ring 52 is sleeved on the jaw 31, so that the flaps 311 of the jaw 31 can be connected together.

In the present embodiment, the handle 21, the roller 22, and the piston 43 are made of stainless steel 316, and the pawl 31 and the driving block 41 are made of stainless steel 431, but the material is not limited thereto.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A male connector, comprising:

the test device comprises a shell assembly (1) and a test device, wherein the shell assembly comprises a first connecting seat (11), a second connecting seat (12) and a third connecting seat (13), the second connecting seat (12) is in threaded connection with the third connecting seat (13), an air hole (121) is formed in the second connecting seat (12), the air hole (121) is configured to be filled with test pressure, and the first connecting seat (11) comprises a step (111);

the testing assembly (3) comprises a clamping jaw (31) and a connecting block (34), wherein the connecting block (34) is in threaded connection with the first connecting seat (11) and the second connecting seat (12) respectively, the clamping jaw (31) comprises a plurality of petal bodies (311), the petal bodies (311) are arranged at intervals along the circumferential direction of the connecting block (34), the clamping jaw (31) comprises a clamping portion (312), an internal thread (313) and a butting portion (314) which are connected, the butting portion (314) can be butted on the step (111), and the internal thread (313) is configured to be matched with an external threaded hole to be tested;

the pushing assembly (4) comprises a piston (43) and a spring (44), the piston (43) is arranged in the shell assembly (1) in a sliding mode, a clamping groove (431) is formed in the piston (43), one end of the spring (44) is connected with the piston (43), the other end of the spring (44) is connected with the connecting block (34), the clamping portion (312) is clamped in the clamping groove (431), and one face, far away from the step (111), of the clamping portion (312) has inclination.

2. The male threaded connector according to claim 1, characterized in that the testing assembly (3) further comprises a block (32), the block (32) being arranged inside the jaws (31), the piston (43) being slidably arranged on the block (32), the male threaded hole to be tested being able to come into contact with the block (32).

3. The male connector according to claim 2, wherein the testing assembly (3) further comprises a plugging post (33), the piston (43) is provided with a plug hole (432), one end of the plugging post (33) is inserted into the plug hole (432), and the other end is connected with the plugging block (32).

4. A male threaded connector according to claim 3, characterized in that the second connection socket (12) comprises a stud (122), the stud (122) being arranged opposite the receptacle (432), the stud (122) being capable of abutting against the blocking stud (33).

5. The male threaded connector according to claim 4, wherein the second connecting seat (12) is provided with a first air passage (123), the blocking block (32) is provided with a second air passage (322), the blocking top pillar (33) is provided with a third air passage (331), the first air passage (123) is communicated with the air hole (121), and the third air passage (331) is respectively communicated with the first air passage (123) and the second air passage (322).

6. The male connector of claim 2, further comprising a sealing assembly (5), wherein the sealing assembly (5) comprises a first O-ring (51), a sealing groove (321) is formed in the blocking block (32), and the first O-ring (51) is sleeved in the sealing groove (321).

7. The male threaded connector according to claim 1, characterized in that the pushing assembly (4) further comprises a driving block (41), the driving block (41) being slidably arranged in the third connecting seat (13), the driving block (41) being connected with the piston (43).

8. The male connector according to claim 7, characterized in that the pushing assembly (4) further comprises a driving rod (42), one end of the driving rod (42) being connected to the driving block (41) and the other end passing through the connecting block (34) and being connected to the piston (43).

9. The male connector according to claim 7, further comprising a force application assembly (2), wherein the force application assembly (2) comprises a handle (21) and a roller (22), the handle (21) is rotatably disposed on the third connecting seat (13), the roller (22) is rotatably disposed on the handle (21), and the roller (22) can be contacted with the driving block (41).