Splicing optical axis

Abstract

The utility model belongs to the technical field of transmission parts, and particularly relates to an optical axis capable of being spliced, which comprises an optical axis main body comprising a first axis body and a second axis body, the first splicing end is arranged at the end part of the first shaft body, and a first through hole is formed in the first splicing end; the second splicing end is arranged at the end part of the second shaft body, and a second through hole is formed in the second splicing end; the bearing supporting air bag penetrates through the first through hole and the second through hole and is used for fixedly supporting the first shaft body and the second shaft body; wherein the first splicing end can be matched with the second splicing end to splice the first shaft body and the second shaft body and fix the first shaft body and the second shaft body in the axial direction and the circumferential direction, the diameter of the first penetrating hole is the same as that of the second penetrating hole, and compared with the prior art, the use stability of the optical axis is improved, and the use precision of the optical axis capable of being spliced is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission parts, and in particular relates to a splicable optical axis. Background Art

[0002] A linear optical axis is a common transmission element, a component used to support and guide linear motion, and is widely used in machinery and automation equipment, especially in situations where linear motion and precise positioning are required. A splicable optical axis is a type of linear optical axis, such as a high-precision hollow linear optical axis disclosed in the patent with application number CN202122244383.5, which includes a first shaft body and a second shaft body, wherein the right end of the first shaft body is fixedly connected to an annular mounting piece, an annular groove is provided on the left side of the second shaft body, the annular mounting piece is movably plugged into the inside of the annular groove, four plug rods are fixedly connected to the inner wall on the right side of the annular groove, and four plug holes are provided on the right side of the annular mounting piece;

[0003] During use, the existing splicable optical axis is easy to splice, but the stability of the optical axis is sacrificed, resulting in a decrease in the use accuracy of the splicable optical axis, so it is necessary to make improvements. Utility Model Content

[0004] The purpose of the utility model is to provide a splicable optical axis in view of the above-mentioned existing technical problems, so as to facilitate the splicing of the optical axis and improve the use stability of the splicable optical axis.

[0005] In view of this, the utility model provides a splicable optical axis, comprising:

[0006] An optical axis body, the optical axis body comprising a first axis body and a second axis body, and the optical axis body is a hollow axis;

[0007] Also includes:

[0008] A first splicing end, wherein the first splicing end is arranged at an end of the first shaft body, and a first through hole is arranged on the first splicing end, wherein the inner diameter of the first through hole is smaller than the inner diameter of the optical axis body and the first through hole is coaxial with the optical axis body;

[0009] A second splicing end, the second splicing end is arranged at an end of the second shaft body, a second through hole is arranged on the second splicing end, the inner diameter of the second through hole is smaller than the inner diameter of the optical axis body, and the second through hole is coaxial with the optical axis body;

[0010] A load-bearing support airbag, wherein the load-bearing support airbag is penetrated through the first through hole and the second through hole to fix and support the first shaft body and the second shaft body;

[0011] Wherein, the first splicing end can cooperate with the second splicing end to splice the first shaft body and the second shaft body and fix the first shaft body and the second shaft body axially and circumferentially, and the first perforation and the second perforation have the same diameter.

[0012] In this technical solution, during the use of the spliceable optical axis, the first shaft body and the second shaft body are spliced with each other through the cooperation of the first splicing end and the second splicing end, and can be fixed axially and circumferentially after splicing. Then, the load-bearing support airbag is further used to fix the first shaft body and the second shaft body. Under the action of the load-bearing support airbag, the load-bearing support airbag penetrates through the first perforation and the second perforation so as to be able to support and fix the first shaft body and the second shaft body. The first shaft body and the second shaft body can be stably connected, so that the optical axis main body is not prone to dislocation and other phenomena due to vibration during use, improving the use stability of the optical axis and ensuring the use accuracy of the spliceable optical axis.

[0013] In the above technical solution, further, the first splicing end further includes:

[0014] A splicing protrusion, which is arranged at the outer end of the first splicing end;

[0015] A limiting key, which is arranged on the surface of the splicing protrusion, and there are several limiting keys which are evenly spaced along the circumference of the splicing protrusion;

[0016] A fixed ratchet rack, which is arranged on the surface of the limiting key and distributed along the length direction of the optical axis main body;

[0017] Wherein, the first perforation penetrates through the splicing protrusion.

[0018] In the above technical solution, further, the second splicing end further includes:

[0019] A splicing groove, which is arranged inside the second splicing end, and several key grooves are arranged on the inner wall of the splicing groove, and the several key grooves are evenly spaced along the circumference of the splicing groove;

[0020] A fixing block, which is movably arranged on the second splicing end, the bottom end of the fixing block extends into the key groove, and a fixing tooth matched with the fixed ratchet rack is arranged at the bottom end of the fixing block;

[0021] Wherein, the splicing groove can cooperate with the splicing protrusion, and the key groove can cooperate with the limiting key.

[0022] In the above technical solution, further, the load-bearing support airbag further includes:

[0023] An airbag main body, the airbag main body is dumbbell-shaped, the diameter of the middle section of the airbag main body is the same as that of the first perforation and the second perforation, the diameters of both ends of the airbag main body are the same as the inner diameter of the optical axis main body, the length of the middle section of the airbag main body is equal to the sum of the lengths of the first perforation and the second perforation, and a third perforation extending along the length direction of the optical axis main body is arranged at the center of the airbag main body;

[0024] A connector, the connector is arranged on one side of the airbag main body, and the connector is in internal communication with the airbag main body.

[0025] In the above technical solution, further, the load-bearing support airbag further includes:

[0026] An abrasion-resistant and anti-slip layer, the abrasion-resistant and anti-slip layer is arranged on the outer surface of the airbag main body;

[0027] Reinforcing ribs, there are several reinforcing ribs and they are evenly distributed on the inner surface of the airbag main body;

[0028] A carbon fiber layer, the carbon fiber layer is arranged on the inner surface of the airbag main body and covers the reinforcing ribs.

[0029] The beneficial effects of the present utility model are:

[0030] 1. Through the settings of the first splicing end and the second splicing end, the optical axis main body can be quickly and effectively spliced, and at the same time, the spliced optical axis main body can be fixed axially and circumferentially, which facilitates the use of the spliceable optical axis;

[0031] 2. Through the setting of the load-bearing support airbag, the first shaft body and the second shaft body can be further supported and fixed, so that the optical axis main body is not easily displaced due to vibration during use, improving the use stability of the optical axis and ensuring the use accuracy of the spliceable optical axis;

[0032] 3. Through the settings of the abrasion-resistant and anti-slip layer, the reinforcing ribs and the carbon fiber layer, the strength and support performance of the load-bearing support airbag can be effectively improved, thereby improving the support effect of the load-bearing support airbag on the first shaft body and the second shaft body, further improving the use stability of the optical axis and ensuring the use accuracy of the spliceable optical axis. Description of the Drawings

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 It is a schematic structural diagram of the specific embodiment of the present utility model.

[0035] Figure 2 This is a schematic structural view of the first splicing end of the present utility model in a sectional view.

[0036] Figure 3 This is a schematic structural view of the load-bearing support airbag of the present utility model.

[0037] Figure 4 This is a schematic structural view of the airbag main body of the present utility model.

[0038] Figure 5 This is a schematic structural view of Embodiment 3 of the present utility model.

[0039] The markings in the figure are shown as:

[0040] 1. First shaft body; 2. Second shaft body; 3. First splicing end; 30. Splicing protrusion; 31. Limit key; 32. Fixed ratchet rack; 4. First through hole; 5. Second splicing end; 50. Splicing groove; 51. Key groove; 52. Fixed block; 53. Fixed tooth; 6. Second through hole; 7. Load-bearing support airbag; 70. Airbag main body; 71. Third through hole; 72. Connector; 73. Wear-resistant and anti-slip layer; 74. Reinforcing rib; 75. Carbon fiber layer; 8. Support ear plate; 9. Elastic member; 10. Pulling groove. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0042] In the description of the present application, it should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant fields may not be discussed in detail, but in appropriate cases, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0043] Embodiment 1:

[0044] An embodiment of the present application provides a splicable optical axis, including: an optical axis main body, the optical axis main body includes a first shaft body 1 and a second shaft body 2, and the optical axis main body is a hollow shaft;

[0045] It further includes: a first splicing end 3, the first splicing end 3 is arranged at the end of the first shaft body 1, a first through hole 4 is arranged on the first splicing end 3, the inner diameter of the first through hole 4 is smaller than the inner diameter of the optical axis main body and the first through hole 4 is coaxial with the optical axis main body; a second splicing end 5, the second splicing end 5 is arranged at the end of the second shaft body 2, a second through hole 6 is arranged on the second splicing end 5, the inner diameter of the second through hole 6 is smaller than the inner diameter of the optical axis main body and the second through hole 6 is coaxial with the optical axis main body; a load-bearing support airbag 7, the load-bearing support airbag 7 is arranged through the first through hole 4 and the second through hole 6 for fixedly supporting the first shaft body 1 and the second shaft body 2;

[0046] Wherein, the first splicing end 3 can cooperate with the second splicing end 5 to splice the first shaft body 1 and the second shaft body 2 and axially and circumferentially fix the first shaft body 1 and the second shaft body 2, and the first through hole 4 and the second through hole 6 have the same diameter.

[0047] The first splicing end 3 further includes: a splicing protrusion 30, the splicing protrusion 30 is arranged at the outer end of the first splicing end 3; a limit key 31, the limit key 31 is arranged on the surface of the splicing protrusion 30, there are several limit keys 31 and they are evenly spaced along the circumference of the splicing protrusion 30; a fixed ratchet tooth bar 32, the fixed ratchet tooth bar 32 is arranged on the surface of the limit key 31 and is distributed along the length direction of the optical axis main body;

[0048] Wherein, the first through hole 4 penetrates through the splicing protrusion 30.

[0049] The second splicing end 5 further includes: a splicing groove 50, the splicing groove 50 is arranged inside the second splicing end 5, several key grooves 51 are arranged on the inner wall of the splicing groove 50, and the several key grooves 51 are evenly spaced along the circumference of the splicing groove 50; a fixed block 52, the fixed block 52 is movably arranged on the second splicing end 5, the bottom end of the fixed block 52 extends into the key groove 51, and a fixed tooth 53 that cooperates with the fixed ratchet tooth bar 32 is arranged at the bottom end of the fixed block 52;

[0050] Wherein, the splicing groove 50 can cooperate with the splicing protrusion 30, and the key groove 51 can cooperate with the limit key 31.

[0051] Moreover, both the first splicing end 3 and the second splicing end 5 are circular shaft-shaped like the optical axis main body and are coaxial with the optical axis main body. The first splicing end 3 and the second splicing end 5 are integrally formed with the first shaft body 1 and the second shaft body 2 respectively. The first through hole 4 axially penetrates through the first splicing end 3 and the splicing protrusion 30 along the optical axis main body, the second through hole 6 axially penetrates through the second splicing end 5 along the optical axis main body, the splicing protrusion 30 is circular shaft-shaped and coaxial with the optical axis main body, and the diameter of the splicing protrusion 30 is smaller than the optical axis main body and larger than the inner diameter of the first through hole 4.

[0052] Moreover, there are at least four limiting keys 31, and there are at least two fixed ratchet racks 32 which are symmetrically distributed on the corresponding limiting keys 31 with the axis of the optical axis body as the symmetry line. The limiting keys 31 are distributed along the length direction of the optical axis body. An installation groove is formed in the second splicing end 5, and an activity groove communicating with the key groove 51 is provided in the installation groove. The size of the activity groove is smaller than that of the installation groove. The top of the fixed block 52 is located in the installation groove, and the bottom end of the fixed block 52 passes through the activity groove and extends to the key groove 51. Support ear plates 8 are connected to both sides of the fixed block 52, and the support ear plates 8 are connected to the bottom surface of the installation groove through a conventional elastic member 9. The surface of the fixed block 52 is located inside the surface of the optical axis body, and a pulling groove 10 is formed on the surface of the fixed block 52. The fixed ratchet rack 32 and the fixed tooth 53 cooperate to form a ratchet structure.

[0053] In this embodiment, during the use of the spliceable optical axis, the first shaft body 1 and the second shaft body 2 are spliced with each other through the first splicing end 3 and the second splicing end 5. During the cooperation between the first splicing end 3 and the second splicing end 5, the splicing protrusion 30 approaches the splicing groove 50. During the process of the splicing protrusion 30 being inserted into the splicing groove 50, the limiting key 31 is synchronously inserted into the key groove 51. Through the cooperation between the limiting key 31 and the key groove 51, the first splicing end 3 and the second splicing end 5 can limit the relative movement of the first shaft body 1 and the second shaft body 2 in the circumferential direction. At the same time, during the process of the limiting key 31 being inserted into the key groove 51, the fixed ratchet rack 32 moves to the lower side of the fixed block 52. As the limiting key 31 is continuously inserted, the fixed ratchet rack 32 contacts the fixed tooth 53 on the fixed block 52 and drives the fixed block 52 to move upward by pushing the fixed tooth 53. Finally, the fixed ratchet rack 32 and the fixed tooth 53 cooperate, and the first splicing end 3 and the second splicing end 5 can limit the relative movement of the first shaft body 1 and the second shaft body 2 in the axial direction. After the first shaft body 1 and the second shaft body 2 are spliced into the optical axis body, under the action of the load-bearing support airbag 7, the load-bearing support airbag 7 penetrates through the first through hole 4 and the second through hole 6 so as to further support and fix the first shaft body 1 and the second shaft body 2. The first shaft body 1 and the second shaft body 2 can be stably connected, so that the optical axis body is not easily displaced due to vibration during use, improving the use stability of the optical axis and ensuring the use accuracy of the spliceable optical axis. Compared with the prior art, the utility model facilitates the use of the spliceable optical axis while improving the use stability and use accuracy of the spliceable optical axis.

[0054] Embodiment 2:

[0055] This embodiment provides a spliceable optical axis. In addition to the technical solutions of the above embodiment, it also has the following technical features. The load-bearing support airbag 7 further includes: an airbag body 70, the airbag body 70 is dumbbell-shaped, the diameter of the middle section of the airbag body 70 is the same as that of the first through-hole 4 and the second through-hole 6, the diameter of both ends of the airbag body 70 is the same as the inner diameter of the optical axis body, the length of the middle section of the airbag body 70 is equal to the sum of the lengths of the first through-hole 4 and the second through-hole 6, and a third through-hole 71 extending along the length direction of the optical axis body is provided at the center of the airbag body 70; a connector 72, the connector 72 is arranged on one side of the airbag body 70, and the connector 72 is in internal communication with the airbag body 70.

[0056] Moreover, the connector 72 is connected to an external conventional compressed gas unit to inflate the airbag body 70. The compressed gas unit includes structures such as a compressed gas cylinder, a connecting air pipe, and a pressure gauge. The connecting air pipe passes through the optical axis body.

[0057] In this embodiment, after the first shaft body 1 and the second shaft body 2 are spliced into the optical axis body, the airbag body 70 is inflated by connecting the connector 72 to an external compressed gas unit. After the airbag body 70 is inflated and expanded, since the middle section of the airbag body 70 is located in the first through-hole 4 and the second through-hole 6, through the support of the airbag body 70, the surfaces of the first shaft body 1 and the second shaft body 2 can completely coincide, and both ends of the airbag body 70 are located inside the first shaft body 1 and the second shaft body 2. Therefore, after the airbag body 70 expands, it can further limit the relative movement of the first shaft body 1 and the second shaft body 2 in the axial direction. At the same time, the airbag body 70 supports and fixes the first shaft body 1 and the second shaft body 2. The airbag body 70 can fully compensate for the fitting gap between the first shaft body 1 and the second shaft body 2, and can always keep the surfaces of the first shaft body 1 and the second shaft body 2 completely coincide, reducing the phenomenon of dislocation caused by vibration during the use of the first shaft body 1 and the second shaft body 2, and effectively improving the use stability and use accuracy of the spliceable optical axis.

[0058] Embodiment 3:

[0059] This embodiment provides a spliceable optical axis. In addition to the technical solutions of the above embodiment, it also has the following technical features. The load-bearing support airbag 7 further includes: an abrasion-resistant and anti-slip layer 73, the abrasion-resistant and anti-slip layer 73 is arranged on the outer surface of the airbag body 70; reinforcing ribs 74, there are several reinforcing ribs 74 and they are evenly distributed on the inner surface of the airbag body 70; a carbon fiber layer 75, the carbon fiber layer 75 is arranged on the inner surface of the airbag body 70 and covers the reinforcing ribs 74.

[0060] In this embodiment, the arrangement of the wear-resistant and anti-slip layer 73, the reinforcing rib 74 and the carbon fiber layer 75 can effectively improve the strength and support performance of the load-bearing support airbag 7, thereby improving the support effect of the load-bearing support airbag 7 on the first shaft body 1 and the second shaft body 2, further improving the use stability of the optical axis, and ensuring the use accuracy of the splicable optical axis.

[0061] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A splicable optical axis, comprising: An optical axis body, the optical axis body comprising a first axis body (1) and a second axis body (2), the optical axis body being a hollow axis; It is characterized by further comprising: A first splicing end (3), the first splicing end (3) being arranged at an end of the first shaft body (1), the first splicing end (3) being provided with a first through hole (4), the inner diameter of the first through hole (4) being smaller than the inner diameter of the optical axis body, and the first through hole (4) being coaxial with the optical axis body; A second splicing end (5), the second splicing end (5) being arranged at an end of the second shaft body (2), the second splicing end (5) being provided with a second through hole (6), the inner diameter of the second through hole (6) being smaller than the inner diameter of the optical axis body, and the second through hole (6) being coaxial with the optical axis body; A load-bearing support airbag (7), wherein the load-bearing support airbag (7) is penetrated through the first through hole (4) and the second through hole (6) and is used for fixing and supporting the first shaft body (1) and the second shaft body (2); The first splicing end (3) can cooperate with the second splicing end (5) to splice the first shaft body (1) and the second shaft body (2) and fix the first shaft body (1) and the second shaft body (2) in the axial and circumferential directions, and the first through hole (4) and the second through hole (6) have the same diameter.

2. The splicable optical axis according to claim 1, characterized in that: The first splicing end (3) further comprises: A splicing protrusion (30), wherein the splicing protrusion (30) is arranged at the outer end of the first splicing end (3); Limiting keys (31), the limiting keys (31) are arranged on the surface of the splicing protrusion (30), and the limiting keys (31) are in plurality and are evenly spaced and distributed along the circumference of the splicing protrusion (30); A fixed ratchet bar (32), wherein the fixed ratchet bar (32) is arranged on the surface of the limit key (31) and distributed along the length direction of the optical axis body; Wherein, the first through hole (4) passes through the splicing protrusion (30).

3. The splicable optical axis according to claim 2, characterized in that: The second splicing end (5) further comprises: A splicing groove (50), wherein the splicing groove (50) is arranged in the second splicing end (5), and a plurality of key grooves (51) are arranged on the inner wall of the splicing groove (50), and the plurality of key grooves (51) are evenly spaced and distributed along the circumference of the splicing groove (50); A fixing block (52), the fixing block (52) being movably arranged on the second splicing end (5), the bottom end of the fixing block (52) extending to the keyway (51), and the bottom end of the fixing block (52) being provided with a fixing tooth (53) cooperating with the fixing ratchet bar (32); The splicing groove (50) can cooperate with the splicing protrusion (30), and the key groove (51) can cooperate with the limit key (31).

4. The splicable optical axis according to claim 3, characterized in that: The load-bearing support airbag (7) further comprises: An airbag body (70), the airbag body (70) is dumbbell-shaped, the diameter of the middle section of the airbag body (70) is the same as the first through hole (4) and the second through hole (6), the diameters of the two ends of the airbag body (70) are the same as the inner diameter of the optical axis body, the length of the middle section of the airbag body (70) is equal to the sum of the lengths of the first through hole (4) and the second through hole (6), and a third through hole (71) extending along the length direction of the optical axis body is provided at the center of the airbag body (70); A connecting head (72), wherein the connecting head (72) is arranged on one side of the airbag body (70), and the connecting head (72) is communicated with the interior of the airbag body (70).

5. The splicable optical axis according to claim 4, characterized in that: The load-bearing support airbag (7) further comprises: A wear-resistant and anti-skid layer (73), wherein the wear-resistant and anti-skid layer (73) is arranged on the outer surface of the airbag body (70); A plurality of reinforcing ribs (74) are evenly distributed on the inner surface of the airbag body (70); A carbon fiber layer (75) is disposed on the inner surface of the airbag body (70) and covers the reinforcing ribs (74).

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