CN117145850A - Spliced nut - Google Patents

Abstract

The application relates to a spliced nut. The spliced nut comprises at least two nut inner connectors and nut outer connectors, wherein threads are arranged on the inner side surfaces of the nut inner connectors, the nut inner connectors are arranged around a screw rod, and the nut outer connectors are arranged around the outer side surfaces of the nut inner connectors; the engagement ends of the nut inner connectors are engaged with each other, and the nut outer connectors are respectively connected with the two engagement ends engaged with each other. The spliced nut has the advantages of convenience in installation and high installation efficiency.

Description

Spliced nut

Technical Field

The application relates to the technical field of nuts, in particular to a spliced nut.

Background

With the development of industrial equipment, large-scale equipment is widely applied to industries such as power, chemical industry and the like. In the use process of equipment, in order to improve the operation or maintenance efficiency, auxiliary accessories are often required to be temporarily or permanently installed on the basis of not disassembling original equipment, wherein the installation of the auxiliary accessories on the screw rod of the original equipment is common.

However, in the case of assembly, a method is generally used in which a plurality of nuts are inserted in the middle of a carrying screw to fix. The conventional nut is required to be sleeved from the end part of the screw rod and then rotated to the mounting position during mounting, so that other accessories between the mounting position and the end part are required to be detached first for mounting, and the problems of complicated mounting steps and low mounting efficiency exist.

Disclosure of Invention

Based on the above, it is necessary to provide a splice-type nut which can be easily installed against the problem of complicated installation caused by the nut.

The spliced nut comprises at least two nut inner connectors and at least two nut outer connectors, wherein threads are arranged on the inner side surfaces of the nut inner connectors, the nut inner connectors are detachably connected to the outside of a screw rod in a threaded mode, and the nut outer connectors are installed around the outer side surfaces of the nut inner connectors;

the nut inner connectors are connected around the screw rod, and the nut outer connectors are detachably connected with the two connected nut inner connectors through a fastening assembly.

In one embodiment, the nut inner connector comprises a first nut inner connector and a second nut inner connector, the first nut inner connector and the second nut inner connector are disposed around the screw rod, the first nut inner connector comprises a first engagement end and a second engagement end, the second nut inner connector comprises a third engagement end and a fourth engagement end, the first engagement end and the third engagement end are engaged, and the second engagement end and the fourth engagement end are engaged.

In one embodiment, the nut external connector comprises a first nut external connector and a second nut external connector, the first nut external connector is respectively connected with the first connecting end and the third connecting end, and the second nut external connector is respectively connected with the second connecting end and the fourth connecting end.

In one embodiment, the outer side surface of the first nut inner connector is provided with a first groove, the outer side surface of the second nut inner connector is provided with a second groove, the inner side surface of the first nut outer connector is provided with a first protruding block, the first protruding block is embedded into the joint of the first groove and the second groove, the inner side surface of the second nut outer connector is provided with a second protruding block, and the second protruding block is embedded into the joint of the first groove and the other side of the second groove.

In one embodiment, the outer side surface of the first nut inner connector is provided with a third bump, the outer side surface of the second nut inner connector is provided with a fourth bump, the inner side surface of the first nut outer connector is provided with a third groove, the third groove is embedded into the joint of the third bump and the fourth bump, the inner side surface of the second nut outer connector is provided with a fourth groove, and the fourth groove is embedded into the joint of the third bump and the other side of the fourth bump.

In one embodiment, the fastening assembly includes a first jack, a second jack and a first plug, the first jack is disposed at the first engagement end of the first nut inner connector, the first nut outer connector is disposed at a position corresponding to the first jack, and the first jack and the second jack are connected by the first plug;

the fastening assembly further comprises a third jack, a fourth jack and a second bolt, wherein the third jack is arranged at the third connecting end of the second nut inner connector, the fourth jack is arranged at the position corresponding to the third jack of the first nut outer connector, and the third jack and the fourth jack are connected through the second bolt.

In one embodiment, the fastening assembly includes a fifth jack, a sixth jack and a third plug, the fifth jack is disposed at the second engagement end of the first nut inner connector, the second nut outer connector is disposed at a position corresponding to the fifth jack, and the fifth jack and the sixth jack are connected by the third plug;

the fastening assembly further comprises a seventh jack, an eighth jack and a fourth bolt, wherein the seventh jack is arranged at the fourth joint end of the second nut inner connector, the eighth jack is arranged at the position corresponding to the seventh jack of the second nut outer connector, and the seventh jack and the eighth jack are connected through the fourth bolt.

In one embodiment, the shapes of the first nut inner connector and the second nut inner connector are symmetrical along the central axis of the screw rod; the first nut outer connector and the second nut outer connector are identical in shape.

In one embodiment, the first nut inner connector, the second nut inner connector, the first nut outer connector, and the second nut outer connector are all integrally formed structures.

In one embodiment, the outer profile of the nut outer member is hexagonal.

Above-mentioned concatenation type nut, through split into two at least nut inscription pieces and nut external connection piece with the nut, nut inscription piece can be directly installed around the lead screw, need not to embolia from the tip, and the linking end of each nut inscription piece links together, surrounds through the nut external connection piece and installs the lateral surface at nut inscription piece, and every nut external connection piece is connected with the linking end that two nut inscription pieces link up, makes whole concatenation nut installation back form a whole of fastening. The spliced nut disclosed by the application is decomposed into at least two nut inner connectors and nut outer connectors, and then is installed on the screw rod to form a fastened whole, so that the nut is not required to be installed from the end part, the disassembly of other parts can be avoided, the equipment installation steps are reduced, and the spliced nut has the advantages of convenience in installation and high installation efficiency.

Drawings

Fig. 1 is a schematic structural view of an inner nut connector of a split joint type nut according to an embodiment of the present application.

Fig. 2 is a schematic structural view of an external nut connector of the split joint type nut according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a split nut according to an embodiment of the present application.

Fig. 4 is an installation schematic diagram of a split nut according to an embodiment of the present application.

Fig. 5 is an exploded view of a split nut according to an embodiment of the present application.

Reference numerals: 10. a screw rod;

100. a nut inner connector; 100A, threads; 110. a first nut inner connector; 111. a first engagement end; 112. a second engagement end; 113. a first groove; 114. a first jack; 115. a fifth jack; 120. a second nut inner connector; 121. a third engagement end; 122. a fourth engagement end; 123. a second groove; 124. a third jack; 125. a seventh jack;

200. a nut external member; 210. a first nut external member; 211. a first bump; 212. a second jack; 213. a fourth jack; 220. a second nut external member; 221. a second bump; 222. a sixth jack; 223. an eighth jack;

310. a first latch; 320. a second latch; 330. a third latch; 340. and a fourth bolt.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1 to 3, fig. 1 to 3 show schematic structural diagrams of a split nut according to an embodiment of the present application, and the split nut according to an embodiment of the present application includes at least two inner nut connectors 100 and at least two outer nut connectors 200, wherein the inner side of the inner nut connector 100 is provided with threads 100A, the inner nut connector 100 is detachably screwed to the outside of the screw rod 10 through the threads 100A, and the outer nut connectors 200 are installed around the outer side of the inner nut connector 100. The nut inner connector 100 is engaged around the screw rod 10, and the nut outer connector 200 detachably connects the two engaged nut inner connectors 100 by a fastening assembly.

According to the spliced nut provided by the embodiment of the application, the nut is split into at least two nut inner connectors 100 and nut outer connectors 200, the nut inner connectors 100 can be directly installed around the screw rod 10 without sleeving from the end part of the screw rod 10, each nut inner connector 200 is detachably engaged on the screw rod 10 in a surrounding manner, threads 100A on the inner side surface of the nut inner connector 100 are engaged with threads on the screw rod 10, and then the nut inner connectors 100 are installed on the outer side surface of the nut inner connector 100 in a surrounding manner through the nut outer connectors 200, and each nut outer connector 200 is detachably connected with the engagement ends of the two nut inner connectors 100 through a fastening assembly, so that a fastened whole is formed on the screw rod 10 after the whole nut is installed. Specifically, the nut external connector 200 and the engagement ends of the two nut internal connectors 100 may be connected by fastening means such as a buckle, a screw, a fixing pin, etc.

According to the spliced nut, the whole nut is decomposed into the nut inner connector 100 and the nut outer connector 200, the nut inner connector 100 and the nut outer connector 200 are of split structures, the nut inner connector 100 and the nut outer connector 200 can be detachably assembled and fixed in the radial direction from any position of the screw rod 10, a fastened whole is formed on the screw rod 10, the nut is not required to be sleeved from the end part and then installed, other parts installed on the screw rod 10 can be prevented from being detached, the equipment installation steps are reduced, and the spliced nut has the advantages of convenience in installation and high efficiency.

In an alternative embodiment, as shown in connection with fig. 5, in order to enhance ease of installation, the nut inner connector 100 comprises two parts, specifically, the nut inner connector 100 comprises a first nut inner connector 110 and a second nut inner connector 120, the first nut inner connector 110 and the second nut inner connector 120 are disposed around the screw rod 10, the first nut inner connector 110 comprises a first engagement end 111 and a second engagement end 112, the second nut inner connector 120 comprises a third engagement end 121 and a fourth engagement end 122, the first engagement end 111 and the third engagement end 121 are engaged, and the second engagement end 112 and the fourth engagement end 122 are engaged. The first nut inner connector 110 and the second nut inner connector 120 are semicircular in top view, and when in installation, the first nut inner connector 110 and the second nut inner connector 120 are directly arranged on the screw rod 10, so that the engagement ends are engaged to form the nut inner connector 100 which integrally surrounds the screw rod 10. In other embodiments, the nut inner connector 100 may be broken down into other numbers as desired.

Further, as shown in fig. 5, in order to form the fastening connection between the first nut inner connector 110 and the second nut inner connector 120, the nut outer connector 200 includes a first nut outer connector 210 and a second nut outer connector 220, the first nut outer connector 210 is connected to the first engagement end 111 and the third engagement end 121, respectively, and the second nut outer connector 220 is connected to the second engagement end 112 and the fourth engagement end 122, respectively. By installing the first nut runner 210 and the second nut runner 220, the first nut runner 210 is fastened to the first engagement end 111 of the first nut runner 110 and the third engagement end 121 of the second nut runner 120, and the second nut runner 220 is fastened to the second engagement end 112 of the first nut runner 110 and the fourth engagement end 122 of the second nut runner 120, so that the whole nut is fastened to form a whole.

Referring to fig. 4, fig. 4 is a schematic view illustrating an assembly of a split nut according to an embodiment of the present application, in some embodiments, in order to improve the convenience of assembly, an outer side surface of a first nut inner connector 110 is provided with a first groove 113, an outer side surface of a second nut inner connector 120 is provided with a second groove 123, an inner side surface of a first nut outer connector 210 is provided with a first protrusion 211, and the first protrusion 211 is embedded in a joint of the first groove 113 and the second groove 123; the second nut external member 220 has a second protrusion 221 on an inner side thereof, and the second protrusion 221 is embedded in a joint portion between the first recess 113 and the second recess 123. Through setting up in first recess 113 and second recess 123, and the first lug 211 and the second lug 221 that match it, have the effect of prescribing a limit to the position when making first nut external connector 210 and second nut external connector 220 install on first nut internal connector 110 and second nut internal connector 120, can install in place fast, have simple to operate's advantage.

In other embodiments, the protrusions and the grooves may be disposed in opposite directions, specifically, the outer side of the first nut inner connector 110 is provided with a third protrusion, the outer side of the second nut inner connector 120 is provided with a fourth protrusion, and the third groove is embedded in the joint of the third protrusion and the fourth protrusion; the inner side of the first nut external connector 210 is provided with a third groove, the inner side of the second nut external connector 220 is provided with a fourth groove, and the fourth groove is embedded into the joint of the third bump and the other side of the fourth bump. The bump and the groove are oppositely arranged, so that the advantage of convenient and quick installation can be achieved.

In an alternative embodiment, as shown in fig. 4, to connect the first nut runner 210 to the first nut runner 110 and the second nut runner 120, the fastening assembly includes a first receptacle 114, a second receptacle 212, and a first latch 310, the first receptacle 114 being disposed at the first engagement end 111, the first nut runner 210 being disposed at a location corresponding to the first receptacle 114 with the second receptacle 212, the first receptacle 114 and the second receptacle 212 being connected by the first latch 310. The fastening assembly further includes a third jack 124, a fourth jack 213, and a second plug 320, where the third jack 124 is disposed at the third engagement end 121, and the first nut external connector 210 is disposed at a position corresponding to the third jack 124 with the fourth jack 213, and the third jack 124 and the fourth jack 213 are connected by the second plug 320. By providing the first jack 114 at the first engagement end 111 and providing the second jack 212 at a corresponding position of the first nut external connector 210, the first jack 114 and the second jack 212 can be connected by the first plug 310; similarly, the third engagement end 121 is also provided with a third jack 124, and a fourth jack 213 is provided at a corresponding position of the first nut external connector 210, so that the third jack 124 and the fourth jack 213 can be connected by the second plug 320, and the first nut external connector 210 is fastened to the engagement ends of the first nut internal connector 110 and the second nut internal connector 120.

Further, as shown in fig. 4, in order to connect the second nut external member 220 with the first nut internal member 110 and the second nut internal member 120, the fastening assembly includes a fifth insertion hole 115, a sixth insertion hole 222 and a third insertion pin 330, the fifth insertion hole 115 is disposed at the second engagement end 112, the second nut external member 220 is disposed with the sixth insertion hole 222 at a position corresponding to the fifth insertion hole 115, and the fifth insertion hole 115 and the sixth insertion hole 222 are connected by the third insertion pin 330. The fastening assembly further includes a seventh jack 125, an eighth jack 223, and a fourth plug 340, the seventh jack 125 is disposed at the fourth engagement end 122, the second nut external member 220 is provided with the eighth jack 223 at a position corresponding to the seventh jack 125, and the seventh jack 125 and the eighth jack 223 are connected by the fourth plug 340. By providing the fifth jack 115 at the second engagement end 112 and providing the sixth jack 222 at a corresponding location of the second nut runner 220, the fifth jack 115 and the sixth jack 222 can be connected by the third pin 330; similarly, the fourth engagement end 122 is also provided with a seventh jack 125, and an eighth jack 223 is provided at a corresponding position of the second nut external connector 220, so that the seventh jack 125 and the eighth jack 223 can be connected by the fourth plug 340, and the second nut external connector 220 is fastened to connect with the other engagement ends of the first nut internal connector 110 and the second nut internal connector 120. After the spliced nut integrally assembles and forms the jack and the bolt, the spliced nut has the same fastening function as a common nut, and ensures that the strength in the use process reaches the standard.

In an alternative embodiment, the shapes of the first and second nut inner connectors 110 and 120 are symmetrical along the central axis of the screw 10 for convenience of processing and improving convenience of use. The first nut runner 210 and the second nut runner 220 are identical in shape. The first nut inner connector 110 and the second nut inner connector 120 are designed in an axisymmetric manner, so that the shapes are the same, and the shapes of the first nut outer connector 210 and the second nut outer connector 220 are also the same, so that the three components of the nut inner connector 100, the nut outer connector 200 and the bolt which form the spliced nut of the application are completely consistent, the number of processing components can be reduced during processing, multiple sets of nuts can be used alternately during use, the searching time is reduced, and the advantages of good universality and easiness in processing are achieved.

In an alternative embodiment, the first nut inner connector 110, the second nut inner connector 120, the first nut outer connector 210, and the second nut outer connector 220 are all integrally formed structures. In the above embodiments, the grooves or the protrusions provided on the first nut inner connector 110, the second nut inner connector 120, the first nut outer connector 210, and the second nut outer connector 220 are integrally formed during processing, so that the overall structure of the component is simple, and the processing precision can be ensured from the structural design. When the assembly device is used, on one hand, too small gaps among all parts during installation can be avoided, assembly difficulty is reduced, and on the other hand, too large gaps can be avoided, so that overall bearing strength is improved. Therefore, the spliced nut of the embodiment has the advantages of convenience in processing, high processing precision, convenience in use and high strength.

In an alternative embodiment, the outer profile of the assembled nut runner 200 is hexagonal. The spliced nut provided by the application can be used as a common nut by arranging the outer contour of the combined nut external connector 200 to be hexagonal, and has the advantage of good compatibility.

The spliced nut provided by the embodiment of the application has the following beneficial effects:

1. through breaking up whole nut into including two at least nut internal connection piece 100 and nut external connection piece 200, then detachably installs on lead screw 10 and form the whole of fastening, need not to install the nut from the tip, can avoid dismantling other parts of installing on lead screw 10, reduce the installation step of equipment, have simple to operate, efficient advantage.

2. Through setting up in first recess 113 and second recess 123, and the first lug 211 and the second lug 221 that match it, have the effect of prescribing a limit to the position when making first nut external connector 210 and second nut external connector 220 install on first nut internal connector 110 and second nut internal connector 120, can install in place fast, have simple to operate's advantage.

3. The three parts of the nut inner connector 100, the nut outer connector 200 and the bolt which form the spliced nut are completely consistent in appearance, the number of processing parts can be reduced during processing, multiple sets of nuts can be used alternately, the searching time of each part is reduced, and the spliced nut has the advantages of good universality and easiness in processing.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A splice nut, characterized in that:

the nut inner connector comprises at least two nut inner connectors (100) and at least two nut outer connectors (200), wherein threads (100A) are arranged on the inner side surface of the nut inner connector (100), the nut inner connectors (100) are detachably connected to the outside of a screw rod (10) in a screwed mode through the threads (100A), and the nut outer connectors (200) are installed around the outer side surface of the nut inner connectors (100);

the nut inner connector (100) is engaged around the screw rod (10), and the nut outer connector (200) is detachably connected with the two engaged nut inner connectors (100) through a fastening assembly.

2. The split nut of claim 1, wherein:

the nut inner connector (100) comprises a first nut inner connector (110) and a second nut inner connector (120), the first nut inner connector (110) and the second nut inner connector (120) are arranged around the screw rod (10), the first nut inner connector (110) comprises a first connecting end (111) and a second connecting end (112), the second nut inner connector (120) comprises a third connecting end (121) and a fourth connecting end (122), the first connecting end (111) is connected with the third connecting end (121), and the second connecting end (112) is connected with the fourth connecting end (122).

3. The split nut of claim 2, wherein:

the nut external connector (200) comprises a first nut external connector (210) and a second nut external connector (220), the first nut external connector (210) is respectively connected with the first connecting end (111) and the third connecting end (121), and the second nut external connector (220) is respectively connected with the second connecting end (112) and the fourth connecting end (122).

4. A split nut as defined in claim 3, wherein:

the outer side of first nut internal connection piece (110) is equipped with first recess (113), the outer side of second nut internal connection piece (120) is equipped with second recess (123), the inner side of first nut external connection piece (210) is equipped with first lug (211), first lug (211) embedding in the junction of first recess (113) with second recess (123), the inner side of second nut external connection piece (220) is equipped with second lug (221), second lug (221) embedding in the junction of first recess (113) with the opposite side of second recess (123).

5. A split nut as defined in claim 3, wherein:

the outer side of the first nut inner connector (110) is provided with a third lug, the outer side of the second nut inner connector (120) is provided with a fourth lug, the inner side of the first nut outer connector (210) is provided with a third groove, the third groove is embedded into the joint of the third lug and the fourth lug, the inner side of the second nut outer connector (220) is provided with a fourth groove, and the fourth groove is embedded into the joint of the third lug and the other side of the fourth lug.

6. A split nut as defined in claim 3, wherein:

the fastening assembly comprises a first jack (114), a second jack (212) and a first plug pin (310), wherein the first jack (114) is arranged at the first connecting end (111), the second jack (212) is arranged at a position corresponding to the first jack (114) by the first nut external connector (210), and the first jack (114) and the second jack (212) are connected through the first plug pin (310);

the fastening assembly further comprises a third jack (124), a fourth jack (213) and a second plug pin (320), wherein the third jack (124) is arranged at the third connecting end (121), the fourth jack (213) is arranged at the position corresponding to the third jack (124) of the first nut external connector (210), and the third jack (124) and the fourth jack (213) are connected through the second plug pin (320).

7. A split nut as defined in claim 3, wherein:

the fastening assembly comprises a fifth jack (115), a sixth jack (222) and a third bolt (330), the fifth jack (115) is arranged at the second connecting end (112), the sixth jack (222) is arranged at a position corresponding to the fifth jack (115) of the second nut external connector (220), and the fifth jack (115) and the sixth jack (222) are connected through the third bolt (330);

the fastening assembly further comprises a seventh jack (125), an eighth jack (223) and a fourth bolt (340), wherein the seventh jack (125) is arranged at the fourth connecting end (122), the eighth jack (223) is arranged at the position corresponding to the seventh jack (125) of the second nut external connector (220), and the seventh jack (125) and the eighth jack (223) are connected through the fourth bolt (340).

8. The split nut as defined in any one of claims 3-7, wherein:

the shape of the first nut inner connector (110) and the second nut inner connector (120) are symmetrical along the central axis of the screw rod (10); the first nut runner (210) and the second nut runner (220) are identical in shape.

9. The split nut as defined in any one of claims 3-7, wherein:

the first nut inner connector (110), the second nut inner connector (120), the first nut outer connector (210) and the second nut outer connector (220) are all integrally formed structures.

10. The split nut as defined in any one of claims 1-7, wherein:

the outer contour of the nut external connector (200) after combination is hexagonal.