CN215522333U - Connecting device for valve control - Google Patents
Connecting device for valve control Download PDFInfo
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- CN215522333U CN215522333U CN202121308382.6U CN202121308382U CN215522333U CN 215522333 U CN215522333 U CN 215522333U CN 202121308382 U CN202121308382 U CN 202121308382U CN 215522333 U CN215522333 U CN 215522333U
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- sleeve
- inner hole
- connecting sleeve
- connecting device
- valve
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Abstract
The utility model relates to a connecting device for valve control, which comprises a first connecting sleeve with a first hollow part, a second connecting sleeve with a second hollow part and an intermediate sleeve, wherein the far end of the second connecting sleeve is abutted against the far end of the intermediate sleeve, the near end of the second connecting sleeve is matched with the far end of the first connecting sleeve, and the first connecting sleeve is movably connected with the intermediate sleeve so as to realize the position adjustment of the first connecting sleeve relative to the second connecting sleeve. The utility model enables the far end of the second connecting sleeve to be abutted against the far end of the middle sleeve, the near end of the second connecting sleeve is matched with the far end of the first connecting sleeve, and the first connecting sleeve is movably connected with the middle sleeve, so that when the two ends of the utility model need loose joint accessories, the length can be adjusted according to the installation position, the position of the first connecting sleeve relative to the second connecting sleeve can be adjusted, the compensation is good, and the installation specification is ensured.
Description
Technical Field
The utility model relates to the field of valve accessory equipment, in particular to a connecting device for valve control.
Background
At present, pneumatic control valve need connect through the connecting piece, it is more perfect to constitute the function, it is reasonable, complete multiloop integral structure, and connecting piece between present connection and valve and the connecting pipe does not possess the compensation function of length and angle, when there is the change in the length of being connected between annex and the annex, this length causes the connecting piece to compress tightly and leak easily after accumulating certain error, the gas leakage appears in the relatively poor easy appearance of leakproofness after the installation is accomplished, make the number of times of dismouting maintenance comparatively frequent, the normal use of valve and connecting pipe has been influenced, greatly reduced production efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a valve control linkage that solves one or more of the problems of the prior art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the connecting device for valve control comprises a first connecting sleeve with a first hollow part, a second connecting sleeve with a second hollow part and an intermediate sleeve, wherein the far end of the second connecting sleeve is abutted to the far end of the intermediate sleeve, the near end of the second connecting sleeve is matched with the far end of the first connecting sleeve, and the first connecting sleeve is movably connected with the intermediate sleeve so as to realize that the position of the first connecting sleeve relative to the second connecting sleeve is adjustable.
Furthermore, at least one groove is formed in the inner side of the first connecting sleeve, and a sealing element is connected in the groove.
Further, the far end of the second adapter sleeve is provided with an outer flange, and the outer flange is arranged on the outer side of the second adapter sleeve along the circumferential direction.
Further, the far end of the middle sleeve is provided with an inner flange, and the inner flange is arranged on the inner side of the middle sleeve along the circumferential direction.
Further, an elastic piece is connected between the outer flange and the distal end of the first nipple.
Furthermore, the first hollow part comprises a first inner hole and a second inner hole, wherein the first inner hole is formed in the first connecting sleeve along the axial direction, the second inner hole is connected with the first inner hole, and the first inner hole is provided with a first internal thread.
Furthermore, the second hollow part comprises a third inner hole and a fourth inner hole, wherein the third inner hole is formed in the second connecting sleeve along the axial direction, the fourth inner hole is connected with the third inner hole, and the fourth inner hole is provided with a second internal thread.
Further, the first inner hole and the fourth inner hole have the same or different hole diameters.
Further, the first nipple has a first external thread on its outside, the first nipple has a second external thread on its proximal end, and a third external thread on its distal end.
Further, a nut is connected to the outer side of the first connecting sleeve through a first external thread.
Compared with the prior art, the utility model has the following beneficial technical effects
The utility model has the advantages that the far end of the second connecting sleeve is abutted against the far end of the middle sleeve, the near end of the second connecting sleeve is matched with the far end of the first connecting sleeve, and the first connecting sleeve is movably connected with the middle sleeve, so that when the two ends of the utility model need loose joint accessories, the length can be adjusted according to the installation position, the position of the first connecting sleeve relative to the second connecting sleeve can be adjusted, the compensation is good, and the installation specification is ensured.
Furthermore, the inner side of the first connecting sleeve is provided with at least one groove, and a sealing element is arranged in the groove, so that multiple sealing inside the first connecting sleeve is realized, the first connecting sleeve is ensured to be effectively sealed relative to the position adjustment position of the second connecting sleeve, namely the length adjustment of the connecting device, and the medium is ensured not to leak.
And (III) further, the first connecting sleeve and the second connecting sleeve can be provided with inner holes with different apertures and inner threads or outer threads according to different working conditions, so that the connecting device is wide in application range, high in universality and convenient to connect with accessories with different pipe diameters.
Drawings
Fig. 1 is a schematic structural view showing a valve control connecting device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram illustrating a valve control connecting device according to an embodiment of the present invention, in which the length of the valve control connecting device is adjusted within a range.
Fig. 3 is a schematic structural view showing the out-of-range adjustment of the length of a valve control connecting device according to an embodiment of the present invention.
Fig. 4 is a schematic diagram showing the difference between the first bore and the fourth bore in the connecting device for controlling the valve according to the embodiment of the present invention.
Fig. 5 is a view showing an application of the connecting device for valve control according to the embodiment of the present invention.
FIG. 6 is a schematic view showing the structure of the first and second fittings of the connecting device for controlling the valve according to the embodiment of the present invention.
In the drawings, the reference numbers: 100. a first nipple; 101. a first inner bore; 102. a second inner bore; 103. a first internal thread; 104. a first external thread; 105. a second external thread; 106. a groove; 201. an outer flange; 202. a third inner bore; 203. a fourth inner bore; 204. a second internal thread; 205. a third external thread; 200. a second nipple; 3. and capping; 4. a middle sleeve; 401. an inner flange; 5. a seal member; 6. an elastic member; 7. a first accessory; 8. a second accessory; 9. a first taper pipe; 10. a second taper pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the connecting device for valve control according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
In order to describe the structure of the valve control connecting device more clearly, the present invention defines the terms "distal end" and "proximal end", and specifically, taking fig. 1 as an example, the left end of the first hub 100 in fig. 1 is the proximal end, and the right end of the first hub 100 in fig. 1 is the distal end.
The first embodiment is as follows:
referring to fig. 1, the valve control connecting device of the present invention includes a first connecting sleeve 100 having a first hollow portion, a second connecting sleeve 200 having a second hollow portion, and an intermediate sleeve 4, wherein a distal end of the second connecting sleeve 200 abuts against a distal end of the intermediate sleeve 4, a proximal end of the second connecting sleeve 200 is engaged with a distal end of the first connecting sleeve 100, and the first connecting sleeve 100 is movably connected to the intermediate sleeve 4, so as to adjust a position of the first connecting sleeve 100 relative to the second connecting sleeve 200, thereby changing an overall length of the connecting device.
Specifically, in the valve control connecting device according to the first embodiment, the first nipple 100 has a first external thread 104 on the outer side connected to the intermediate sleeve 4, and similarly, the intermediate sleeve 4 has an internal thread (not shown) on the inner side connectable to the first external thread 104, and the first external thread 104 can adjust the axial position of the first nipple 100 relative to the second nipple 200.
Further, with continued reference to fig. 1, the distal end of the second sleeve 200 has an outer flange 201, and the outer flange 201 is disposed on the outer side of the second sleeve 200 along the circumferential direction. The distal end of the intermediate sleeve 4 has an inner flange 401, and the inner flange 401 is circumferentially disposed inside the intermediate sleeve 4. An elastic member 6 is further connected between the outer flange 201 and the distal end of the first adapter 100, and the elastic member 6 is preferably a disc spring in the valve control connecting device of the first embodiment.
Further, with reference to fig. 1, at least one groove 106 is formed in the inner side of the first connecting sleeve 100, in the connecting device for valve control according to the embodiment, two grooves 106 are specifically formed in the first connecting sleeve 106, each groove 106 is connected to a sealing element 5, and the sealing elements 5 are O-shaped sealing rings.
Further, referring to fig. 2, when the position of the first adapter 100 is adjusted relative to the second adapter 200, the position of the second adapter 200 relative to the middle sleeve 4 is fixed, and the first adapter 100 rotates relative to the inner side of the middle sleeve 4 through the first external thread 104, so that the axial position of the first adapter 100 relative to the middle sleeve 4 and the second adapter 200 is changed, thereby achieving the increase of the length of the whole connection device, and at this time, the inner side of the distal end of the first adapter 100 is tightly sealed with the outer side of the proximal end of the second adapter 200 by means of the two sealing members 5, and at this time, the whole length of the connection device is within the adjustment range.
Further, correspondingly, the first nipple 100 can project further with respect to the intermediate sleeve 4 on the basis of fig. 2. Specifically, the first adapter 100 is rotated relative to the inner side of the middle sleeve 4 through the first external thread 104 until one of the sealing members 5 exceeds the proximal end of the second adapter 200, at which time the overall length of the valve control connecting device is further increased relative to fig. 2 and exceeds the set length range, but an effective seal can be achieved between the inner side of the distal end of the first adapter 100 and the outer side of the proximal end of the second adapter 200 through one of the sealing members 5, and at this time the overall length of the connecting device is out of the adjustment range, even exceeds the adjustment range.
Referring to fig. 1, in order to ensure the connection between the accessories and transport the medium, the first hollow portion of the first connecting sleeve 100 includes a first inner hole 101 axially opened on the first connecting sleeve 100 and a second inner hole 102 connected with the first inner hole 101, and the first inner hole 101 has a first internal thread 103.
Further, the second hollow portion of the second adapter 200 includes a third inner hole 202 axially opened on the second adapter 200 and a fourth inner hole 203 connected to the third inner hole 202, and the fourth inner hole 203 has a second internal thread 204.
Referring to fig. 1, fig. 2 and fig. 3, the aperture of the first inner hole 101 in the first connecting sleeve 100 is the same as the aperture of the fourth inner hole 203 in the second joint 200, and both the first inner hole 101 and the fourth inner hole 203 are taper holes. And the second bore 102 is adapted to mate with the proximal end of the second hub 200.
With continuing reference to fig. 1, fig. 2 and fig. 3, further, the aperture of the first inner hole 101 is the same as that of the fourth inner hole 203, so that both the first connecting sleeve 100 and the second connecting sleeve 200 can be connected to a taper pipe with the same pipe diameter, so as to realize normal connection between accessories.
With continued reference to fig. 1, further, in order to ensure the fixing of the position of the first nipple 100, a union cap 3 is screwed on the outer side of the first nipple 100, and the union cap 3 can fix the position of the first nipple 100 relative to the intermediate sleeve 4 and the second nipple 200 after rotating on the outer side of the first nipple 100 and abutting against the proximal end of the intermediate sleeve 4.
Example two:
referring to fig. 5, the second embodiment has the same structure as the first embodiment, except that the first inner hole 101 and the fourth inner hole 203 of the first adapter 100 have different hole diameters. Specifically, the aperture of the first inner hole 101 is smaller than that of the fourth inner hole 203, or the aperture of the first inner hole 101 may be larger than that of the fourth inner hole 203. The aperture of the first inner hole 101 and the fourth inner hole 203 depends on the size of the pipe diameter of the connected taper pipe.
Referring to fig. 5, in the valve-control connecting device according to the second embodiment, the proximal end of the first adapter 100 is connected to the first fitting 7 through the first taper pipe 9, the distal end of the second adapter 200 is connected to a portion of the second taper pipe 9 through the fourth inner hole 203, and another portion of the second taper pipe 9 is connected to the second fitting 8.
Example three:
referring to fig. 6, the third embodiment has the same structure as the first embodiment, except that the first nipple 100 of the third embodiment has a second external thread 105 at the proximal end thereof, and the second nipple 200 has a third external thread 205 at the distal end thereof, so that the second external thread 105 can be used to screw with an attachment connection hole, and the third external thread 205 can be used to screw with an inner hole of a reference connection block.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. Connecting device for valve control, its characterized in that: the adjustable connector comprises a first connector sleeve with a first hollow part, a second connector sleeve with a second hollow part and an intermediate sleeve, wherein the far end of the second connector sleeve is abutted to the far end of the intermediate sleeve, the near end of the second connector sleeve is matched with the far end of the first connector sleeve, and the first connector sleeve is movably connected with the intermediate sleeve so as to realize that the position of the first connector sleeve relative to the second connector sleeve is adjustable.
2. The valve-control connecting device according to claim 1, wherein: at least one groove is formed in the inner side of the first connecting sleeve, and a sealing element is connected in the groove.
3. The valve-control connecting device according to claim 1, wherein: the far end of the second adapter sleeve is provided with an outer flange, and the outer flange is arranged on the outer side of the second adapter sleeve along the circumferential direction.
4. A valve control connecting device according to claim 3, wherein: the far end of the middle sleeve is provided with an inner flange, and the inner flange is arranged on the inner side of the middle sleeve along the circumferential direction.
5. A valve control connecting device according to claim 3, wherein: an elastic member is also connected between the outer flange and the distal end of the first nipple.
6. The valve-control connecting device according to claim 1, wherein: the first hollow part comprises a first inner hole and a second inner hole, the first inner hole is formed in the first connecting sleeve along the axial direction, the second inner hole is connected with the first inner hole, and the first inner hole is provided with a first internal thread.
7. The valve-control connecting device according to claim 6, wherein: the second hollow part comprises a third inner hole and a fourth inner hole, the third inner hole is formed in the second connecting sleeve along the axial direction, the fourth inner hole is connected with the third inner hole, and the fourth inner hole is provided with a second internal thread.
8. The valve-control connecting device according to claim 1, wherein: the first inner hole and the fourth inner hole have the same or different hole diameters.
9. The valve-control connecting device according to claim 1, wherein: the outer side of the first connecting sleeve is provided with a first external thread, the proximal end of the first connecting sleeve is provided with a second external thread, and the distal end of the second connecting sleeve is provided with a third external thread.
10. The valve-control connecting device according to claim 9, wherein: and the outer side of the first connecting sleeve is connected with a connecting cap through a first external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308382.6U CN215522333U (en) | 2021-06-11 | 2021-06-11 | Connecting device for valve control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121308382.6U CN215522333U (en) | 2021-06-11 | 2021-06-11 | Connecting device for valve control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215522333U true CN215522333U (en) | 2022-01-14 |
Family
ID=79807858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121308382.6U Active CN215522333U (en) | 2021-06-11 | 2021-06-11 | Connecting device for valve control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215522333U (en) |
-
2021
- 2021-06-11 CN CN202121308382.6U patent/CN215522333U/en active Active
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