CN213271452U

CN213271452U - Joint type one-way throttle valve capable of preventing connection pipeline from loosening

Info

Publication number: CN213271452U
Application number: CN202022329143.0U
Authority: CN
Inventors: 南永生; 南永松; 南永义; 南博
Original assignee: Zhejiang Yongrui Pneumatic Co ltd
Current assignee: Zhejiang Yongrui Pneumatic Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-05-25
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a can prevent not hard up joint formula one-way choke valve of connecting tube, including valve body, shoulder, locking decorative pattern, connector, lock sleeve and pressure head, the valve body left side is provided with the regulation pole, and the valve body right side is provided with the shoulder, the shoulder outside is provided with the external screw thread, and is provided with locking decorative pattern on the left of the shoulder, the shoulder left side is provided with the connector, and the connector has the connector head through threaded connection, lock sleeve inner wall right-hand member is provided with the internal thread, and the lock sleeve passes through the cooperation between internal thread and the external screw thread and installs on the shoulder. This can prevent that connecting tube is not hard up connects formula one-way throttle valve is provided with lock sleeve and sealing washer, through the cooperation between lock sleeve and the sealing washer, avoids the dust to get into the kneck of connector head and connector, can prevent simultaneously that connector head and connector from spilling over oil gas because of taking place to leak, has increased the device's functionality.

Description

Joint type one-way throttle valve capable of preventing connection pipeline from loosening

Technical Field

The utility model relates to a connect one-way choke valve technical field of formula, specifically be a can prevent that connecting tube is not hard up connects one-way choke valve of formula.

Background

Along with the development of society and the continuous improvement of people's living standard, the operating conditions of one-way throttle valve control electromechanical device all can be used in various domestic appliance equipment and industrial machining equipment, joint formula one-way throttle valve is the valve through changing throttle cross-section or throttle length with control fluid flow, can make up into one-way throttle valve with throttle valve and check valve parallelly connected then, one-way throttle valve is simple and easy flow control valve, one-way throttle valve principle is simple, low in manufacturing cost, use very extensively, traditional one-way throttle valve lacks locking subassembly, in the use, because reasons such as vibrations, can make the connecting tube become flexible, thereby lead to leaking the pressure unstability, influence the use.

Therefore, the joint type one-way throttle valve capable of preventing the connection pipeline from loosening is provided, so that the problem that the traditional one-way throttle valve provided in the above is lack of a loosening prevention assembly, and in the use process, the connection pipeline is loosened due to vibration and the like, so that the leakage pressure is unstable, and the use is influenced is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent that connecting tube is not hard up connects one-way choke valve of formula to solve the traditional one-way choke valve on the existing market that above-mentioned background art provided and lack locking subassembly, in the use, because reasons such as vibrations, can make connecting tube not hard up, thereby lead to leaking the pressure unstability, influence the problem of using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can prevent not hard up joint formula one-way choke valve of connecting tube, includes valve body, shaft shoulder, locking decorative pattern, connector, lock sleeve and pressure head, the valve body left side is provided with the regulation pole, and the valve body right side is provided with the shaft shoulder, the shaft shoulder outside is provided with the external screw thread, and is provided with locking decorative pattern on the left of the shaft shoulder, the shaft shoulder left side is provided with the connector, and the connector has the connector head through threaded connection, lock sleeve inner wall right-hand member is provided with the internal thread, and the lock sleeve passes through the cooperation between internal thread and the external screw thread and installs on the shaft shoulder, install the sealing washer in the middle of the lock sleeve inner wall, and the lock sleeve left end installs adjusting screw, the adjusting screw top is provided with adjusting nut, and the adjusting screw.

Preferably, the center line of the shaft shoulder is overlapped with the center line of the connector, and the center line of the shaft shoulder is overlapped with the center line of the locking sleeve.

Preferably, the central line of connector and the side surface mutually perpendicular of shaft shoulder, and the central line of connector head coincide each other to connector and connector head pass through screw thread interconnect.

Preferably, the central line of the locking sleeve and the central line of the connector coincide with each other, and the central line of the locking sleeve and the central line of the sealing ring coincide with each other, and the inner diameter of the sealing ring is smaller than the outer diameter of the connector head.

Preferably, the number of the adjusting screws is 4, the central line of the adjusting screws is perpendicular to the central line of the locking sleeve, and the adjusting screws are rotationally symmetrical relative to the central line of the locking sleeve.

Preferably, the central line of the telescopic rod and the central line of the adjusting screw rod are overlapped, and the central line of the telescopic rod and the central line of the pressure head are overlapped.

Compared with the prior art, the beneficial effects of the utility model are that: the joint type one-way throttle valve can prevent the connecting pipeline from loosening;

1. the adjusting screw rod and the pressure head are arranged, in the actual use process, after the connecting pipe head and the connector are connected with each other, in order to avoid the looseness of the connecting pipe head, the pressure head can be pressed on the connecting pipe head by rotating the adjusting screw rod, the connecting pipeline is pressed tightly by the matching between the pressure heads, meanwhile, the influence of vibration on the pressure head can be reduced by the spring, the locking force of the pressure head is improved, and the practicability of the device is improved;

2. be provided with lock sleeve and sealing washer, in the in-service use process, through the cooperation between lock sleeve and the sealing washer, avoid the dust to get into the kneck of connector head and connector, can prevent simultaneously that connector head and connector from spilling over oil gas because of taking place to leak, have increased the device's functionality.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a left side view schematic structural diagram of the shaft shoulder and the anti-loosening pattern of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. adjusting a rod; 3. a shaft shoulder; 4. an external thread; 5. anti-loosening patterns; 6. a connector; 7. connecting the pipe heads; 8. a locking sleeve; 9. an internal thread; 10. a seal ring; 11. adjusting the screw rod; 12. Adjusting the nut; 13. a telescopic rod; 14. a spring; 15. and (4) pressing head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a joint type one-way throttle valve capable of preventing a connecting pipeline from loosening comprises a valve body 1, an adjusting rod 2, a shaft shoulder 3, external threads 4, anti-loosening patterns 5, a connector 6, a connector head 7, a locking sleeve 8, internal threads 9, a sealing ring 10, an adjusting screw rod 11, an adjusting nut 12, a telescopic rod 13, a spring 14 and a pressure head 15, wherein the adjusting rod 2 is arranged on the left side of the valve body 1, the shaft shoulder 3 is arranged on the right side of the valve body 1, the external threads 4 are arranged on the outer side of the shaft shoulder 3, the anti-loosening patterns 5 are arranged on the left side of the shaft shoulder 3, the connector 6 is connected with the connector head 7 through threads, the internal threads 9 are arranged at the right end of the inner wall of the locking sleeve 8, the locking sleeve 8 is arranged on the shaft shoulder 3, adjusting screw 11 top is provided with adjusting nut 12, and adjusting screw 11 lower extreme installs telescopic link 13 to telescopic link 13 through connection has spring 14, and pressure head 15 is installed to telescopic link 13 lower extreme moreover.

The central line of shaft shoulder 3 and the central line of connector 6 coincide each other, and the central line of shaft shoulder 3 and the central line of lock sleeve 8 coincide each other, and above-mentioned structural design is in the in-service use in-process, is favorable to guaranteeing the homogeneity of pressure head 15 pressure.

The central line of connector 6 and the side surface mutually perpendicular of shaft shoulder 3, and the central line of connector 6 and the central line of connector head 7 coincide each other to connector 6 and connector head 7 pass through screw thread interconnect, and above-mentioned structural design is favorable to connector head 7 to laminate each other with locking decorative pattern 5 after connecting in the in-service use process, avoids connector head 7 not hard up.

The central line of lock sleeve 8 and the central line of connector 6 coincide each other, and the central line of lock sleeve 8 and the central line of sealing washer 10 coincide each other to the internal diameter of sealing washer 10 is less than the external diameter of connector 7, and above-mentioned structural design is favorable to avoiding the dust to get into the kneck of connector 7 and connector 6 in the in-service use process.

The number of the adjusting screws 11 is 4, the center lines of the adjusting screws 11 are perpendicular to the center line of the locking sleeve 8, and the adjusting screws 11 are rotationally symmetrical relative to the center line of the locking sleeve 8.

The central line of telescopic link 13 and adjusting screw 11 coincide each other, and the central line of telescopic link 13 and the central line of pressure head 15 coincide each other, above-mentioned structural design, in the in-service use, be favorable to improving the stability when pressure head 15 atress.

The working principle is as follows: when the joint type one-way throttle valve capable of preventing a connecting pipeline from loosening is used, as shown in fig. 1 and 3, firstly, a connector head 7 is screwed into a connector 6 until the connector head 7 is attached to a locking pattern 5, the friction force between the connector head 7 and a shaft shoulder 3 can be increased through the locking pattern 5, the possibility of loosening of the connector head 7 is reduced, as shown in fig. 2 and 4, a sealing ring 10 is arranged in a locking sleeve 8, then the locking sleeve 8 is arranged on the shaft shoulder 3, dust can be prevented from entering an interface through the sealing ring 10, then an adjusting screw 11 is moved downwards through an adjusting nut 12, the adjusting screw 11 drives a pressure head 15 to be pressed on the surface of the connector head 7, the effect of preventing the connecting pipeline from loosening is achieved, meanwhile, under the effect of a spring 14 and an expansion rod 13, the influence of vibration on the pressure head 15 is reduced, and the reliability of the pressure head 15 in pressing, to thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are prior art well known to those skilled in the art.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a can prevent that connecting tube is not hard up connects one-way choke valve of formula, includes valve body (1), shaft shoulder (3), locking decorative pattern (5), connector (6), lock sleeve (8) and pressure head (15), its characterized in that: the valve is characterized in that an adjusting rod (2) is arranged on the left side of the valve body (1), a shaft shoulder (3) is arranged on the right side of the valve body (1), external threads (4) are arranged on the outer side of the shaft shoulder (3), anti-loosening patterns (5) are arranged on the left side of the shaft shoulder (3), a connector (6) is arranged on the left side of the shaft shoulder (3), the connector (6) is connected with a connector head (7) through threads, internal threads (9) are arranged on the right end of the inner wall of the locking sleeve (8), the locking sleeve (8) is installed on the shaft shoulder (3) through the matching between the internal threads (9) and the external threads (4), a sealing ring (10) is installed in the middle of the inner wall of the locking sleeve (8), an adjusting screw rod (11) is installed at the left end of the locking sleeve (8), an adjusting nut (, and the telescopic rod (13) is connected with a spring (14) in a penetrating way, and the lower end of the telescopic rod (13) is provided with a pressure head (15).

2. The joint type one-way throttle valve capable of preventing the connecting pipeline from loosening as claimed in claim 1, wherein: the center line of the shaft shoulder (3) is overlapped with the center line of the connector (6), and the center line of the shaft shoulder (3) is overlapped with the center line of the locking sleeve (8).

3. The joint type one-way throttle valve capable of preventing the connecting pipeline from loosening as claimed in claim 1, wherein: the central line of connector (6) and the side surface mutually perpendicular of shaft shoulder (3), and the central line of connector (6) and the central line of connecting tube head (7) coincide each other to connector (6) and connecting tube head (7) pass through screw thread interconnect.

4. The joint type one-way throttle valve capable of preventing the connecting pipeline from loosening as claimed in claim 1, wherein: the central line of lock sleeve (8) and the central line of connector (6) coincide each other, and the central line of lock sleeve (8) and the central line of sealing washer (10) coincide each other to the internal diameter of sealing washer (10) is less than the external diameter of connector head (7).

5. The joint type one-way throttle valve capable of preventing the connecting pipeline from loosening as claimed in claim 1, wherein: the number of the adjusting screws (11) is 4, the center line of each adjusting screw (11) is perpendicular to the center line of the locking sleeve (8), and the adjusting screws (11) are rotationally symmetrical relative to the center line of the locking sleeve (8).

6. The joint type one-way throttle valve capable of preventing the connecting pipeline from loosening as claimed in claim 1, wherein: the center line of the telescopic rod (13) is overlapped with the center line of the adjusting screw rod (11), and the center line of the telescopic rod (13) is overlapped with the center line of the pressure head (15).