CN212389903U

CN212389903U - Valve device

Info

Publication number: CN212389903U
Application number: CN202020405593.0U
Authority: CN
Inventors: 孔飞虎; 陈晓飞; 王浩; 戎海梅; 陈笛; 张世良; 石琨; 刘永盼; 王聚鑫; 苗立亚; 陈陶生; 于思贺; 冯晓堤; 王宁宁
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Electric Appliances Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-01-22
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a valve device, it is used for connecting selected thread end portion, and valve device includes: a valve body; the nut is rotatably sleeved on the end part of the valve main body, and a plurality of clamping grooves which are uniformly distributed along the circumferential direction are formed in the nut; the limiting type transmission ring is sleeved on the valve main body and comprises a transmission ring body and at least one elastic sheet which is arranged on the transmission ring body and is tilted relative to the transmission ring body; the valve body is configured to be manipulated and driven in a reciprocating, non-full rotation about its axis so that the drive ring selectively drives the nut while each spring repeatedly changes its engagement with the corresponding detent to cause intermittent unidirectional rotation of the nut and tightening of the nut onto the selected threaded end. The valve device can reduce the risk of physical injury of an operator due to installation of the valve device.

Description

Valve device

Technical Field

The utility model relates to a pipeline annex technical field, concretely relates to valve device.

Background

The valve device is a pipeline accessory used for opening and closing a pipeline, controlling flow direction and adjusting parameters of a conveying medium, and belongs to a core component of the pipeline. Valve device's valve main part is often connected on the screw thread tip of pipeline with the help of valve device's nut, and when assembly space hinders the operator and lasts, screw up the nut high-efficiently through assembly and disassembly tools, the operator often implements through two fingers in order to improve assembly efficiency and pinches the action and screw the action in order to fasten the nut for the first time, and the secondary fastening of nut is implemented to rethread assembly and disassembly tools. However, during the process of performing the initial fastening, the fingers of the operator are prone to physical damage due to improper force or excessive frequency.

For example, in the production process of an air conditioner, the corner inflation valve needs to be installed on the air conditioner stop valve from the side part of the air conditioner, but the shell of the air conditioner prevents an operator from continuously and efficiently screwing the nut of the corner inflation valve through the dismounting tool, so that the operator has to firstly fasten the nut through two fingers for high-efficiency operation and then fasten the nut through the dismounting tool for the second time, so as to firmly connect the valve main body of the corner inflation valve to the air conditioner stop valve, and ensure that the evacuation filling device can vacuumize the air conditioner and fill refrigerant through the corner inflation valve. However, in this process, the fingers of the operator are prone to physical damage due to improper force or excessive frequency, and the production quality and efficiency of the air conditioner are indirectly reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve all or part of the problems, the utility model aims to provide a valve device, this valve device has reduced the operator and has produced the risk of health damage because of installing it.

The utility model provides a valve device, valve device includes: a valve body; the nut is rotatably sleeved on the end part of the valve main body, and a plurality of clamping grooves which are uniformly distributed along the circumferential direction are formed in the nut; the transmission ring is sleeved on the valve main body in a limiting manner and comprises a transmission ring body and at least one elastic sheet which is arranged on the transmission ring body and is tilted relative to the transmission ring body; the valve body is configured to be manipulated and to carry the drive in reciprocating non-full rotation about its axis, such that the drive ring selectively moves the nut while each of the tabs repeatedly replaces its associated slot, such that the nut is intermittently rotated in a single direction and tightened onto the selected threaded end. Furthermore, the elastic sheet is a rectangular sheet body, the clamping grooves are arranged on two groove side walls in the circumferential direction of the nut in an inverted splayed manner, so that one groove side wall can guide the elastic sheet to enter and exit the clamping groove, and the other groove side wall can be in surface contact with the elastic sheet.

Further, the drive ring body is composed of a first half ring and a second half ring butted against each other.

Further, the transmission ring further comprises a first connecting structure for connecting one end of the first half ring with one end of the second half ring, and a second connecting structure for connecting the other end of the first half ring with the other end of the second half ring, wherein the first connecting structure and the second connecting structure are both one of a riveting component, a clamping component or a bolt connecting component.

Furthermore, a circumferential groove capable of accommodating the transmission ring in a matched mode is formed in the valve main body, positioning pins are arranged on the first half ring and/or the second half ring, and positioning holes matched with the positioning pins are formed in the groove bottom of the circumferential groove.

Furthermore, the valve device also comprises an isolating ring which is sleeved on the valve main body and is positioned between the transmission ring and the nut, wherein the isolating ring comprises an isolating ring body, and tooth parts and groove parts which are alternately arranged on the isolating ring body along the circumferential direction, when each elastic sheet is positioned in the corresponding groove part, each elastic sheet can enter the corresponding clamping groove through the corresponding groove part, but when each elastic sheet is positioned in the corresponding tooth part, each elastic sheet can be blocked by the corresponding tooth part and can not enter any clamping groove.

Furthermore, the isolating ring body is an elastic ring body with a notch.

Further, the isolating ring further comprises a control part which is connected with the tooth part and extends along the direction away from the nut.

Further, the valve device is a bent angle inflation valve for an air conditioner.

The valve device further comprises a ball arranged between the screw cap and the valve body, the screw cap and the valve body are respectively provided with a first circumferential track and a second circumferential track, the screw cap is provided with a ball loading hole for guiding the ball to be loaded into the first circumferential track and the second circumferential track, and the axial dimension of the first circumferential track is larger than that of the second circumferential track, so that the transmission ring can prevent the screw cap from moving relative to the valve body towards the direction of the transmission ring on the valve body, and the ball is restrained by the screw cap to always deviate from the ball loading hole.

According to the above technical scheme, the utility model discloses a valve device can allow the operator to hold the action and twist the action to its valve main part to force valve main part area transmission to surround its axis and do reciprocal not complete circle rotation (< 360 reciprocating rotation), force the transmission ring can change repeatedly rather than the complex draw-in groove at every shell fragment and drive the nut selectively, so that the nut is intermittent unidirectional rotation and screws up on the screw thread tip. When the assembly environment hinders the operator to last, screw up valve device's nut high-efficiently through assembly and disassembly tools on, the utility model discloses a valve device allows the operator to inlay the tightening task of screwing up the operation (implemented by the both hands finger) and accomplishing the nut through holding the operation of screwing up (implemented by the palm) replacement, improves operator's the mode of exerting oneself and the position of exerting oneself from this to reduce the operator and produce the risk of health damage in the nut screwing up process. And simultaneously, the utility model discloses a compact structure, assembly for valve device are easy, use safe and reliable, and the implementation of being convenient for is popularized and applied.

Furthermore, when the utility model discloses a when valve device selects the bent angle inflation valve for the idle call, it not only can reduce the operator and produce the risk of health damage at the nut tightening in-process, and can improve the production quality and the efficiency of air conditioner, especially in the aspect of improving product quality, as long as the operator carefully controls the rotation angle and the number of times of valve main part, just can unify the tightening force of the nut of each control bent angle inflation valve to avoid leading to partial air conditioner to appear managing to find time badly because of tightening the inconsistent degree, quality problems such as refrigerant is revealed.

Drawings

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the figure:

fig. 1 is an exploded view of a valve assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the valve body of the valve assembly of FIG. 1;

FIG. 3 schematically illustrates a nut of the valve device of FIG. 1;

FIG. 4 schematically illustrates a drive ring of the valve assembly of FIG. 1;

figure 5 schematically illustrates a spacer ring of the valve assembly of figure 1.

In the drawings, like reference numerals are used for like modules. The figures are not drawn to scale.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is an exploded view of a valve assembly 100 for connecting selected threaded ends according to an embodiment of the present invention. Although in the embodiment shown in fig. 1, the valve device 100 is selected as a bent angle inflation valve for an air conditioner, the selected threaded end is selected as an end of an air conditioner shutoff valve; however, in other embodiments, the valve assembly 100 and threaded end portion may alternatively be the end portions of other valves and plumbing fixtures, respectively.

As shown in fig. 1 to 4, the valve device 100 includes a valve body 1, a nut 5 rotatably fitted over an end of the valve body 1, and a driving ring 2 fitted over the valve body 1 in a position-limited manner. The valve body 1 is mainly composed of a valve body and a valve core arranged in the valve body. The nut 5 is provided with a plurality of slots 51 arranged along the circumferential direction at intervals, and the driving ring 2 comprises a driving ring body and at least one spring sheet 24 which is arranged on the driving ring body and is tilted relative to the driving ring body. When the assembly environment prevents an operator from continuously and efficiently screwing the nut 5 of the valve device 100 through a dismounting tool, the operator can hold the valve body 1 and then reciprocally rotate the valve body 1 so as to enable the valve body and the transmission ring 2 to make reciprocating non-complete-circle rotation (reciprocating rotation of less than 360 degrees) around the axis of the valve body, so that the transmission ring 2 can selectively drive the nut 5 while each elastic sheet 24 repeatedly replaces the clamping groove 51 matched with the elastic sheet, and the nut 5 makes intermittent unidirectional motion and is screwed on the end part of the thread. That is, when the assembly environment hinders the operator to continuously, efficiently tighten the nut of valve device 100 through the assembly and disassembly tools, valve device 100 of the present disclosure allows the operator to replace the pinching and tightening operation (performed by the two fingers) through the grasping and tightening operation (performed by the palm) to complete the tightening task of nut 5, thereby improving the force application manner and the force application portion of the operator, and reducing the risk of physical damage to the operator during tightening nut 5.

In this embodiment, the elastic sheet 24 is a rectangular sheet, the two groove side walls of the groove 51 in the circumferential direction of the nut 5 are arranged in an inverted splayed shape, so that one of the groove side walls can guide the elastic sheet 24 to smoothly enter and exit the groove 51, and the other groove side wall can make surface contact with the elastic sheet 24, thereby ensuring that the transmission ring 2 can perform unidirectional transmission and the nut 5 can perform intermittent unidirectional rotation. In a preferred embodiment, the number of the locking slots 51 is equal to that of the spring pieces 24, and the distance between the adjacent locking slots 51 is equal to that between the adjacent spring pieces 24, so that the stability and safety of the transmission ring 2 in the transmission process can be improved.

In the present embodiment, the drive ring body of the drive ring 2 is composed of a first half ring 21 and a second half ring 22 butted against each other to facilitate the operator to mount it to the valve main body 1. In order to facilitate the detachment of the driving ring 2, the driving ring 2 further includes a first connecting structure 23 for connecting one end of the first half ring 21 with one end of the second half ring 22, and a second connecting structure 25 for connecting the other end of the first half ring 21 with the other end of the second half ring 22, wherein the first connecting structure 23 and the second connecting structure 25 are both one of a riveting component, a clamping component or a bolt connecting component. As shown in fig. 2, in order to limit the transmission ring 2 and prevent it from moving relatively on the valve body 1, a circumferential groove 11 capable of matching and accommodating the transmission ring 2 may be provided on the valve body 1, a positioning pin 26 may be provided on the first half ring 21 and/or the second half ring 22, and a positioning hole 13 engaged with the positioning pin 26 may be provided on the bottom of the circumferential groove 11.

The valve device comprises a spacer ring 3, see fig. 5 in detail, which is fitted over the valve body 1 and is located between the transmission ring 2 and the nut 5. The isolating ring 3 comprises an isolating ring body 34 and tooth portions 31 and groove portions 32 which are alternately arranged on the isolating ring body 3 along the circumferential direction, when each elastic sheet 24 is located in the corresponding groove portion 32, each elastic sheet 24 can enter the corresponding clamping groove 51 through the corresponding groove portion 32, so that the valve main body 1 can drive the nut 5 to perform intermittent unidirectional rotation through the transmission ring 2, but when the elastic sheet 24 is located in the corresponding tooth portion 31, the elastic sheet 24 can be blocked by the corresponding tooth portion 31 and cannot enter any clamping groove 51, and the valve main body 1 can drive the transmission ring 2 to perform reciprocating rotation relative to the nut 5. Since the stability requirements of the isolator ring body 34 are not high, the isolator ring body 34 need not be, but may be, of the same construction as the drive ring body. For the sake of easy disassembly in this embodiment, it is suggested that the isolating ring body 34 is an elastic ring body with a notch to reduce the difficulty of disassembly and assembly. The spacer ring 3 may also comprise a handling portion 33 connected to the teeth 31 and extending in a direction away from the nut 5 in order to allow an operator to perform a rotational handling of the spacer ring 3.

In this embodiment, the valve device 100 is selected as a corner inflation valve for an air conditioner, the corner inflation valve further includes a ball 4 disposed between the nut 5 and the valve main body 1, the nut 5 and the valve main body 1 are respectively provided with a first circumferential rail 53 and a second circumferential rail 12, the nut 5 is provided with a ball mounting hole 52 for guiding the ball 4 to be mounted in the first and second circumferential rails, an axial dimension L1 of the first circumferential rail 53 is greater than an axial dimension L2 of the second circumferential rail 12, so that the driving ring 2 can prevent the nut 5 from moving relative to the valve main body 1 toward the driving ring 2 on the valve main body 1, and the ball 4 is restrained by the nut 5 from deviating from the ball mounting hole 52 all the time. That is, the transmission ring 2 can prevent the balls 4 from coming out of the first circumferential rail 53 and the second circumferential rail 12 through the ball-holding holes 52, in addition to performing the unidirectional transmission.

In view of the above, the valve device 100 helps overcome the installation limitation of the assembly space. And through structural design, improve the application of force mode of staff's operation, help solving the evacuation and badly filling, the quality problem that leads to.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or variations within the technical scope of the present invention, and such changes or variations should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A valve assembly for connecting selected threaded ends, said valve assembly comprising:

a valve body;

the nut is rotatably sleeved on the end part of the valve main body, and a plurality of clamping grooves which are uniformly distributed along the circumferential direction are formed in the nut;

the transmission ring is sleeved on the valve main body in a limiting manner and comprises a transmission ring body and at least one elastic sheet which is arranged on the transmission ring body and is tilted relative to the transmission ring body;

wherein the valve body is configured to be manipulated and to carry the drive in reciprocating non-full rotation about its axis, such that the drive ring selectively carries the nut while each of the tabs repeatedly replaces its associated slot, such that the nut is intermittently rotated in a single direction and tightened onto the selected threaded end.

2. The valve assembly of claim 1, wherein the spring plate is a rectangular plate, and the slots are arranged in an inverted splayed configuration on two slot sidewalls of the nut in the circumferential direction, such that one slot sidewall can guide the spring plate into and out of the slot, and the other slot sidewall can make surface contact with the spring plate.

3. The valve arrangement of claim 1, wherein the drive ring body is comprised of a first half ring and a second half ring that mate with each other.

4. The valve arrangement of claim 3, wherein the drive ring further comprises a first connecting structure for connecting one end of the first half ring to one end of a second half ring, and a second connecting structure for connecting the other end of the first half ring to the other end of the second half ring, wherein the first and second connecting structures are each one of a riveted assembly, a bayonet assembly, or a bolted assembly.

5. The valve arrangement according to claim 3, wherein a circumferential groove is provided in the valve body for receiving the drive ring, wherein the first and/or second ring halves are provided with positioning pins, and wherein a groove bottom of the circumferential groove is provided with positioning holes for engaging with the positioning pins.

6. The valve device according to any one of claims 1 to 5, further comprising a spacer ring disposed on the valve body and located between the driving ring and the nut, wherein the spacer ring comprises a spacer ring body and teeth and grooves alternately arranged on the spacer ring body along a circumferential direction, when each spring plate is located in the corresponding groove, each spring plate can enter the corresponding slot through the corresponding groove, but when each spring plate is located in the corresponding teeth, each spring plate can be blocked by the corresponding teeth and cannot enter any one of the slots.

7. The valve arrangement according to claim 6, wherein the cage body is a resilient ring body with a gap.

8. The valve assembly of claim 7, wherein said spacer ring includes a handle portion connected to said teeth and extending away from said nut.

9. A valve arrangement according to any one of claims 1 to 5, wherein the valve arrangement is an angled inflation valve for air conditioning.

10. The valve arrangement according to claim 9, further comprising a ball disposed between said nut and said valve body, wherein said nut and said valve body are respectively provided with a first circumferential track and a second circumferential track, said nut is provided with a ball-mounting hole for guiding said ball to be mounted in said first circumferential track and said second circumferential track, and an axial dimension of said first circumferential track is larger than an axial dimension of said second circumferential track, so that said drive ring can prevent said nut from moving relative to said valve body toward said drive ring, and said nut restrains said ball from always deviating from said ball-mounting hole.