CN215109905U - Connecting structure for assembling valve shaft and force transmission accessory - Google Patents
Connecting structure for assembling valve shaft and force transmission accessory Download PDFInfo
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- CN215109905U CN215109905U CN202121416830.4U CN202121416830U CN215109905U CN 215109905 U CN215109905 U CN 215109905U CN 202121416830 U CN202121416830 U CN 202121416830U CN 215109905 U CN215109905 U CN 215109905U
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Abstract
The utility model discloses a connection structure for assembling a valve shaft and a force transmission accessory, which belongs to the field of connection of valve shafts and other force transmission parts or segmented valve shafts, and realizes the connection between the valve shaft with axial transmission pushing and pulling force and the force transmission parts or the segmented valve shafts, and comprises a first valve shaft and a second valve shaft movably arranged on the first valve shaft, wherein the connection structure comprises a connection mechanism arranged on the first valve shaft and used for connecting the first valve shaft, and the connection structure also comprises a fixing mechanism arranged on the second valve shaft and used for fixing the first valve shaft, the second valve shaft and the connection mechanism; the utility model discloses a connection structure has simple structure, simple to operate, connects reliable and convenient advantage of maintaining, and pushes away in the transmission, tensile in-process can improve the transmission effect, simultaneously the utility model is suitable for a valve shaft and other multiple connection structure forms of passing zero part or merogenesis valve shaft of power.
Description
Technical Field
The utility model belongs to the technical field of the valve shaft passes the connection of zero part or merogenesis valve shaft with other, concretely relates to be used for valve shaft and pass power connection structure for accessory assembly.
Background
Valves, also known as valves, are attachments for pipelines for opening and closing pipelines, controlling flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveyed medium, and can be classified into shut-off valves, check valves, regulating valves and the like according to functions thereof, while valve shafts belong to one of valve parts and are usually connected with other force transmission parts or segmented valve shafts for use; however, when most of existing valve shafts are connected with other force transmission parts or segmented valve shafts, the problems of unreliable connection and inconvenience in installation often occur, and the problem of poor transmission effect easily occurs in the process of transmitting pushing force and pulling force, so that a connecting structure for assembling the valve shafts and force transmission accessories is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for valve shaft and pass power accessory connection structure for assembly to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a connection structure for assembling a valve shaft and a force transmission accessory, which realizes the connection between the valve shaft for axially transmitting pushing and pulling force and a force transmission part or a segmented valve shaft, comprises a first valve shaft and a second valve shaft movably arranged on the first valve shaft, and comprises:
the connecting mechanism is mounted on the first valve shaft and used for connecting the first valve shaft;
and the fixing mechanism is arranged on the second valve shaft and is used for fixing the first valve shaft, the second valve shaft and the connecting mechanism.
As a preferred embodiment, the connecting mechanism includes a first lock nut that is threadedly mounted at a position where the first valve shaft faces the second valve shaft, the fixing mechanism includes a first fixing sleeve that is movably sleeved on an end of the second valve shaft and faces the first valve shaft, and a first set screw that is threadedly mounted on the first fixing sleeve, and the first fixing sleeve is threadedly sleeved between the first valve shaft and the second valve shaft.
As a preferred embodiment, the connecting mechanism includes a second lock nut installed at a position where the first valve shaft faces the second valve shaft through a thread, and a first connecting sleeve installed inside the second valve shaft clamping groove, and the fixing mechanism includes a second fixing sleeve movably sleeved on an end of the second valve shaft and arranged facing the first valve shaft, and a second set screw installed on the second fixing sleeve through a thread.
As a preferred embodiment, the connecting mechanism includes a second connecting sleeve installed inside the first valve shaft and the second valve shaft clamping groove, and the fixing mechanism includes a third fixing sleeve sleeved outside the second connecting sleeve and a third set screw installed on the third fixing sleeve in a threaded manner.
As a preferred embodiment, the connecting mechanism includes third connecting sleeves installed inside the first valve shaft and the second valve shaft clamping grooves, the number of the third connecting sleeves is two, the fixing mechanism includes a fourth fixing sleeve sleeved outside the third connecting sleeve, a fifth fixing sleeve sleeved outside the fourth fixing sleeve, and a fourth set screw threadedly installed on the fifth fixing sleeve.
As a preferred embodiment, the connecting mechanism includes a connecting shaft which is screwed into one end of the first valve shaft and one end of the second valve shaft, the fixing mechanism includes a pin shaft which penetrates through the first valve shaft and the second valve shaft and a split pin which is installed on the pin shaft, and the number of the pin shaft and the split pin are two.
Compared with the prior art, the beneficial effects of the utility model are that:
the connecting structure for assembling the valve shaft and the force transmission accessory can be used for connecting a push-pull rod and a lifting beam of a conical valve, a lifting shaft of a sleeve valve and a sleeve gate and connecting a valve shaft of a needle valve and a driving piston rod through a first embodiment and a second embodiment, and comprises two modes of installation from the connection position of the valve shaft and non-installation from the connection position of the valve shaft, wherein the end parts of the valve shaft and other force transmission parts are provided with connecting joints according to different working conditions, and different connecting modes are selected to connect the valve shaft and other force transmission parts so as to ensure that the valve shaft and other force transmission parts can reliably transmit push and pull forces;
the connecting structure for assembling the valve shaft and the force transmission accessory can be used for connecting a push-pull rod of a conical valve, a sleeve valve lifting shaft and a valve shaft of a needle valve by the third embodiment, the fourth embodiment and the fifth embodiment, and comprises three structures in two modes of frequent disassembly and infrequent disassembly, a connecting device is arranged at the end part of the valve shaft according to different working conditions, and different connecting modes are selected to connect two or more sections of same valve shafts so that the valve shafts can reliably transmit thrust;
in conclusion: the utility model discloses a connection structure has simple structure, simple to operate, connects reliable and convenient advantage of maintaining, and pushes away in the transmission, tensile in-process can improve the transmission effect, simultaneously the utility model is suitable for a valve shaft and other multiple connection structure forms of passing zero part or merogenesis valve shaft of power.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention;
fig. 2 is a schematic front view of a second embodiment of the present invention;
fig. 3 is a schematic front view of a third structural embodiment of the present invention;
fig. 4 is a schematic front view of a fourth embodiment of the present invention;
fig. 5 is a schematic front view of a fifth structural embodiment of the present invention.
In the figure: 1. a first valve shaft; 2. a second valve shaft; 3. a connecting mechanism; 4. a fixing mechanism; 3a, a first locking nut; 3b, a second locking nut; 3c, a first connecting sleeve; 3d, a second connecting sleeve; 3e, a third connecting sleeve; 3f, a connecting shaft; 4a, a first fixing sleeve; 4b, a first set screw; 4c, a second fixing sleeve; 4d, a second set screw; 4e, a third fixing sleeve; 4f, a third set screw; 4g, a fourth fixing sleeve; 4h, a fifth fixing sleeve; 4i, a fourth set screw; 4j, a pin shaft; 4k, cotter pin.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Example one
Referring to fig. 1, the present invention provides a connecting structure for assembling a valve shaft and a force-transmitting fitting, it realizes that the axial passes the promotion, be connected between tensile valve shaft and the power transmission part or the segmental valve shaft, including a valve shaft 1 and No. two valve shafts 2, connection structure includes coupling mechanism 3 (it is used for connecting a valve shaft 1) and fixed establishment 4 (it is used for fixed valve shaft 1, No. two valve shafts 2 and coupling mechanism 3), coupling mechanism 3 includes that the screw thread is installed at first valve shaft 1 towards No. 2 first lock nut 3a of position department of valve shaft, fixed establishment 4 includes that the activity cup joints at No. two 2 tip of valve shaft and towards first fixed cover 4a and the first holding screw 4b of screw thread installation on first fixed cover 4a of No. 1 setting of valve shaft, first fixed cover 4a screw thread cup joints between No. 1 valve shaft and No. two of valve shaft 2.
The operation steps of the above embodiment are as follows: first lock nut 3a screw thread is rotatory the cup joint in the outside of 1 one end of valve shaft at first, pack into first fixed cover 4a from the one end of No. two valve shafts 2 again, and with the outside of first fixed cover 4a screw thread is rotatory the cup joint in 1 one end of valve shaft, after first fixed cover 4a is rotatory to the position, lock first lock nut 3a, and install first holding screw 4b on the suitable position of first fixed cover 4a, thereby be convenient for carry out erection joint to valve shaft 1 and No. two valve shafts 2.
The advantages of the above embodiment are: the valve has the advantages of easy processing, convenient installation and simple structure, and the used range is a conical valve push-pull rod and a sleeve valve lifting shaft (the valve thrust is determined by the dangerous section of the second valve shaft 2).
Example two
Please refer to fig. 2, the utility model provides a be used for valve shaft and pass assembly connection structure for assembly of power accessory, it realizes axial transmission and pushes, be connected between tensile valve shaft and the power transmission part or the segmental valve shaft, including a valve shaft 1 and No. two valve shafts 2, connection structure includes coupling mechanism 3 (it is used for connecting a valve shaft 1) and fixed establishment 4 (it is used for fixing a valve shaft 1, No. two valve shafts 2 and coupling mechanism 3), coupling mechanism 3 includes that the screw thread is installed at a second lock nut 3b of 1 towards No. two valve shafts 2 positions department of valve shaft and is installed at the inside first connecting sleeve 3c of No. two valve shafts 2 draw-in grooves, fixed establishment 4 includes that the activity cup joints second set screw 4d on the fixed cover 4c of second valve shaft 2 tip and towards the fixed cover 4c of second that No. one valve shaft 1 set up and screw thread.
The operation steps of the above embodiment are as follows: firstly, the second locking nut 3b is in threaded rotary sleeve connection with the outer part of one end of the first valve shaft 1, then the second fixing sleeve 4c is arranged in the outer part of one end of the second valve shaft 2 from the connecting part, two petals of the first connecting sleeve 3c (the split clamping sleeve) are folded and arranged in a clamping groove of the second valve shaft 2, the second fixing sleeve 4c is in threaded rotary sleeve connection with the outer part of one end of the first valve shaft 1, after the second fixing sleeve 4c rotates to a certain position, the second locking nut 3b is locked, and a second fastening screw 4d is arranged at a proper position of the second fixing sleeve 4c, so that the first valve shaft 1 and the second valve shaft 2 are conveniently installed and connected.
The advantages of the above embodiment are: the processing is easy, the installation is convenient, and the maintenance is simple; the problem of fixed cover well pack into because of valve structural design is not good is solved, and the scope of use is cone valve push-and-pull rod, sleeve valve lift shaft and needle valve shaft (this structure is fit for No. two valve shaft 2 and is in the installation and accomplishes the state, and the fixed cover can only follow the operating mode that No. two valve shaft 2 junctions were installed).
EXAMPLE III
Please refer to fig. 3, the utility model provides a be used for valve shaft and pass assembly connection structure for assembly of power accessory, it realizes that the axial is passed and is pushed, be connected between tensile valve shaft and the power transmission part or the segmentation valve shaft, including a valve shaft 1 and No. two valve shafts 2, connection structure includes coupling mechanism 3 (it is used for connecting a valve shaft 1) and fixed establishment 4 (it is used for fixing a valve shaft 1, No. two valve shafts 2 and coupling mechanism 3), coupling mechanism 3 is including installing the second adapter sleeve 3d inside a valve shaft 1 and No. two valve shafts 2 draw-in grooves, fixed establishment 4 includes that the suit is at the outside fixed cover 4e of third of second adapter sleeve 3d and the third holding screw 4f on the fixed cover 4e of third is installed to the screw.
The operation steps of the above embodiment are as follows: first preassemble and align first valve shaft 1 and second valve shaft 2, pack into the draw-in groove of first valve shaft 1 and second valve shaft 2 with two lamellas of second adapter sleeve 3d (split cutting ferrule) again, suit the outside at second adapter sleeve 3d with the fixed cover 4e of third after that to suitable position installation third holding screw 4f on the fixed cover 4e of third, thereby be convenient for carry out erection joint to first valve shaft 1 and second valve shaft 2.
The advantages of the above embodiment are: the valve shaft connecting device has the advantages of simple structure and convenience in installation, can be used for connecting valve shafts which are required to be frequently detached and have the shaft diameters larger than 80mm, and the used ranges are a conical valve push-pull rod, a sleeve valve lifting rod and a needle valve shaft (the valve thrust is determined by the dangerous section at the connecting part of the valve shafts).
Example four
Please refer to fig. 4, the utility model provides a be used for valve shaft and pass assembly connection structure for assembly of power accessory, it realizes axial transmission and pushes, be connected between tensile valve shaft and the power transmission part or the segmentation valve shaft, including a valve shaft 1 and No. two valve shafts 2, connection structure includes coupling mechanism 3 (it is used for connecting a valve shaft 1) and fixed establishment 4 (it is used for fixing a valve shaft 1, No. two valve shafts 2 and coupling mechanism 3), coupling mechanism 3 is including installing the third adapter sleeve 3e inside a valve shaft 1 and No. two valve shafts 2 draw-in grooves, the quantity of third adapter sleeve 3e is two sets of, fixed establishment 4 includes the suit at the outside fixed cover 4g of fourth adapter sleeve 3e and the suit at the outside fixed cover 4g of fifth fixed cover 4h of fourth, and the fourth set screw 4i on the fixed cover 4h of fifth is installed to the screw thread.
The operation steps of the above embodiment are as follows: first preassemble and align first valve shaft 1 and second valve shaft 2, pack into the draw-in groove of first valve shaft 1 and second valve shaft 2 with third adapter sleeve 3e again, suit the outside at third adapter sleeve 3e with the fixed cover 4g of fourth after that to suit the fixed cover 4h of fifth in the outside of the fixed cover 4g of fourth, install fourth holding screw 4i in the suitable position on the fixed cover 4h of fifth at last, thereby be convenient for carry out erection joint to first valve shaft 1 and second valve shaft 2.
The advantages of the above embodiment are: the connecting device has the advantages of simple structure and convenience in installation, can be used for connecting the valve shaft with the shaft diameter less than or equal to 80mm and needing to be frequently detached, and the used range is the tapered valve push-pull rod, the sleeve valve lifting rod and the needle valve shaft (the valve thrust is determined by the dangerous section at the connecting part of the valve shaft).
EXAMPLE five
Please refer to fig. 5, the utility model provides a be used for valve shaft and pass assembly connection structure for assembly of power accessory, it realizes the axial transmission and pushes, be connected between tensile valve shaft and the power transmission part or the segmentation valve shaft, including a valve shaft 1 and No. two valve shafts 2, connection structure includes coupling mechanism 3 (it is used for connecting a valve shaft 1) and fixed establishment 4 (it is used for fixing a valve shaft 1, No. two valve shafts 2 and coupling mechanism 3), coupling mechanism 3 includes the connecting axle 3f of screw suit in a valve shaft 1 and No. two valve shafts 2 one end insides, fixed establishment 4 is including running through the round pin axle 4j in a valve shaft 1 and No. two valve shafts 2 insides and installing the split pin 4k on round pin axle 4j, the quantity of round pin axle 4j and split pin 4k is two.
The operation steps of the above embodiment are as follows: firstly screw in the one end screw thread of connecting axle 3f to the inside of a valve shaft 1, cup joint No. two valve shaft 2 screw threads in the outside of the connecting axle 3f other end again, and then No. one valve shaft 1 and No. two valve shaft 2 suitable position installation round pin axle 4j, at last adorn split pin 4k on round pin axle 4j to be convenient for carry out erection joint to a valve shaft 1 and No. two valve shaft 2.
The advantages of the above embodiment are: the structure is simple, the connection is reliable, the valve can be used for working conditions that the valve needs to be reliably connected but is not frequently disassembled, and the used ranges are a conical valve push-pull rod, a sleeve valve lifting rod and a needle valve shaft (the valve thrust is verified by the dangerous section at the connecting part of the connecting shaft).
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a be used for valve shaft and pass assembly connection structure for assembly of power accessory, its realization axial transmission is passed, tensile valve shaft and is passed power part or be connected between the segmentation valve shaft, includes No. one valve shaft (1) and movable mounting No. two valve shafts (2) on No. one valve shaft (1), its characterized in that: the connection structure includes:
the connecting mechanism (3) is mounted on the first valve shaft (1) and is used for connecting the first valve shaft (1);
and the fixing mechanism (4) is arranged on the second valve shaft (2) and is used for fixing the first valve shaft (1), the second valve shaft (2) and the connecting mechanism (3).
2. A connection for assembly of a valve shaft to a force transmission fitting according to claim 1, wherein: coupling mechanism (3) are including the screw thread install first valve shaft (1) face first lock nut (3a) of No. two valve shaft (2) positions department, fixed establishment (4) including the activity cup joint No. two valve shaft (2) tip and face first fixed cover (4a) and the screw thread that No. one valve shaft (1) set up are installed first holding screw (4b) on first fixed cover (4a), first fixed cover (4a) screw thread cup joints between valve shaft (1) and No. two valve shaft (2) between the two.
3. A connection for assembly of a valve shaft to a force transmission fitting according to claim 1, wherein: coupling mechanism (3) are including the screw thread install first valve shaft (1) face second lock nut (3b) of No. two valve shaft (2) positions department with install No. two inside first connecting sleeve (3c) of valve shaft (2) draw-in groove, fixed establishment (4) are cup jointed including the activity No. two valve shaft (2) tip and face the fixed cover of second (4c) and the screw thread that first valve shaft (1) set up are installed second holding screw (4d) on the fixed cover of second (4 c).
4. A connection for assembly of a valve shaft to a force transmission fitting according to claim 1, wherein: coupling mechanism (3) are including installing inside second adapter sleeve (3d) of a valve shaft (1) and No. two valve shafts (2) draw-in groove, fixed establishment (4) are including the suit at the outside fixed cover of third (4e) of second adapter sleeve (3d) and the screw thread is installed third holding screw (4f) on the fixed cover of third (4 e).
5. A connection for assembly of a valve shaft to a force transmission fitting according to claim 1, wherein: coupling mechanism (3) are including installing inside third adapter sleeve (3e) of a valve shaft (1) and No. two valve shafts (2) draw-in grooves, the quantity of third adapter sleeve (3e) is two sets of, fixed establishment (4) are including the fixed cover of fourth (4g) of suit in third adapter sleeve (3e) outside and the fixed cover of fifth (4h) of suit in the fixed cover of fourth (4g) outside to and the screw thread is installed fourth holding screw (4i) on the fixed cover of fifth (4 h).
6. A connection for assembly of a valve shaft to a force transmission fitting according to claim 1, wherein: the connecting mechanism (3) comprises a connecting shaft (3f) which is sleeved with one end of the first valve shaft (1) and one end of the second valve shaft (2) in a threaded manner, the fixing mechanism (4) comprises a pin shaft (4j) which penetrates through the inside of the first valve shaft (1) and the second valve shaft (2) and a split pin (4k) which is installed on the pin shaft (4j), and the number of the pin shaft (4j) and the split pin (4k) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416830.4U CN215109905U (en) | 2021-06-24 | 2021-06-24 | Connecting structure for assembling valve shaft and force transmission accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121416830.4U CN215109905U (en) | 2021-06-24 | 2021-06-24 | Connecting structure for assembling valve shaft and force transmission accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109905U true CN215109905U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121416830.4U Active CN215109905U (en) | 2021-06-24 | 2021-06-24 | Connecting structure for assembling valve shaft and force transmission accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109905U (en) |
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2021
- 2021-06-24 CN CN202121416830.4U patent/CN215109905U/en active Active
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