Combined ejection device

Abstract

The utility model relates to a combined type ejection device. The technical problem that an existing ejection device cannot work in a narrow space is solved. Comprising an ejection driving rod, the cross section of the ejection driving rod is non-circular, one end of the ejection driving rod is provided with a first ejection piece, the other end of the ejection driving rod is provided with a second ejection piece, the first ejection piece and the second ejection piece are both coaxially arranged with the ejection driving rod, and the first ejection piece is connected with one end of the ejection driving rod through a first threaded connection structure; the first ejection piece is connected with the other end of the ejection driving rod through a second threaded connection structure, and the thread direction of the first threaded connection structure is opposite to the thread direction of the second threaded connection structure. The ejection mechanism has the advantages that the ejection driving rod is in threaded connection with the first ejection piece and the second ejection piece through the first threaded connection structure and the second threaded connection structure correspondingly, ejection operation can be completed in a narrow space, and the ejection efficiency is improved. The practicability of the ejection piece can be improved through the multiple ejection pieces, and the ejection piece can be suitable for multiple use environments.

Description

Technical Field

[0001] The utility model belongs to the technical field of ejection equipment, and in particular relates to a combined ejection device. Background Art

[0002] Most of the current ejection devices are hydraulic jacks, which are mainly used to lift heavy objects weighing several tons or dozens of tons. However, the existing hydraulic jacks have large dimensions, which makes it impossible for the hydraulic jacks to perform ejection operations in a small space and a working environment with limited position. Moreover, most of the existing ejection devices cannot perform ejection work in a small space and a working environment with limited position. Currently, people mostly use hammers and other striking tools in a small space and a working environment with limited position, and the ejection efficiency is low. Summary of the invention

[0003] The purpose of the utility model is to provide a combined ejection device in view of the above problems.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a combined ejection device, including an ejection drive rod, the ejection drive rod has a non-circular cross-section, one end of the ejection drive rod is provided with a first ejection piece and the other end is provided with a second ejection piece, the first ejection piece and the second ejection piece are both coaxially arranged with the ejection drive rod, the first ejection piece is connected to one end of the ejection drive rod through a first threaded connection structure, the first ejection piece is connected to the other end of the ejection drive rod through a second threaded connection structure, and the thread direction of the first threaded connection structure is opposite to that of the second threaded connection structure, the first ejection piece or the second ejection piece can be selected for ejection according to user needs, the first threaded connection structure can facilitate the first ejection piece to be fixedly connected to the ejection drive rod, and the ejection drive rod can facilitate the displacement of the first ejection piece to ensure the ejection effect, and the second threaded connection structure can facilitate the fixed connection of the second ejection piece to the ejection drive rod, and the ejection drive rod can facilitate the displacement of the second ejection piece to ensure the ejection effect.

[0005] In the above-mentioned combined ejection device, the first threaded connection structure includes a first connection hole arranged on the circumferential inner side of one end of the ejection drive rod, and the first ejection member has a first connecting rod inserted into the first connection hole at one end close to the ejection drive rod, and a left-handed internal thread is provided in the first connection hole and a left-handed external thread matching the left-handed internal thread is provided on the first connecting rod. The left-handed internal thread and the left-handed external thread can make the first connecting rod and the ejection drive rod fixedly connected in a left-handed manner, and the ejection drive rod can eject one end of the first connecting rod outward in a right-handed manner to ensure the ejection effect.

[0006] In the above-mentioned combined ejection device, the second threaded connection structure includes a second connecting hole arranged on the circumferential inner side of an end of the ejection driving rod away from the first ejection member, and the second ejection member has an end close to the ejection driving rod and has a second connecting rod inserted into the second connecting hole, and the second connecting hole is provided with a right-handed internal thread opposite to the thread direction of the left-handed internal thread, and the second connecting rod is provided with a right-handed external thread matching the right-handed internal thread, and the second connecting rod can be fixedly connected to the ejection driving rod in a right-handed manner through the right-handed internal thread and the right-handed external thread, and the ejection driving rod can eject one end of the second connecting rod outward in a left-handed manner to ensure the ejection effect.

[0007] In the above-mentioned combined ejection device, the ejection drive rod is a columnar structure with a hexagonal cross section, and the first connecting hole and the second connecting hole are connected through a connecting channel. The connecting channel can effectively reduce the weight of the ejection drive rod, and the ejection drive rod with a hexagonal cross section can facilitate the user to rotate the ejection drive rod, thereby improving the ejection efficiency.

[0008] In the above-mentioned combined ejection device, the first connecting hole and the second connecting hole have the same depth and diameter, and the diameters of the first connecting hole and the second connecting hole are both larger than the diameter of the connecting channel, which can prevent the first ejection member from being arranged in the connecting channel through the first connecting hole, and can prevent the second ejection member from being arranged in the connecting channel through the second connecting hole.

[0009] In the above-mentioned combined ejection device, the first ejection member and the second ejection member are both columnar and have the same size, the first connecting rod is coaxially arranged at one end of the first ejection member, and the second connecting rod is coaxially arranged at one end of the second ejection member. The first ejection member and the second ejection member are coaxially arranged, and the overall length of the ejection drive rod can be increased by the first ejection member and the second ejection member. The spiral directions of the first ejection member and the second ejection member are opposite, and when the ejection drive rod is rotated for ejection, the connection of the second ejection member is not affected.

[0010] In the above-mentioned combined ejection device, the first connecting rod and the first ejection piece are fixedly connected or the first connecting rod is integrally formed on the first ejection piece, and the second connecting rod and the second ejection piece are fixedly connected or the second connecting rod is integrally formed on the second ejection piece, which can ensure the connection stability between the second connecting rod and the second ejection piece and ensure the ejection effect.

[0011] In the above-mentioned combined ejection device, the end of the first ejection member away from the first connecting rod has a first pointed cone portion connected to the first ejection member as a whole, and the end of the second ejection member away from the second connecting rod has a second pointed cone portion connected to the second ejection member as a whole. The first pointed cone portion and the second pointed cone portion can improve the practicality of the first ejection member and the second ejection member, facilitate user selection, improve user experience, and improve ejection efficiency.

[0012] In the above-mentioned combined ejection device, a first extension piece is provided between one end of the ejection driving rod and the first ejection piece, a second extension piece is provided between the other end of the ejection driving rod and the second ejection piece, and the first extension piece and the second extension piece are coaxially symmetrically arranged at both ends of the ejection driving rod. The first pointed cone portion and the second pointed cone portion can improve the practicality of the first ejection piece and the second ejection piece, facilitate user selection, improve user experience, and improve ejection efficiency.

[0013] In the above-mentioned combined ejection device, the first extension member includes a first extension part, one end of the first extension part is provided with a first extension rod inserted in the first connecting hole, the first extension rod is provided with a first extension connecting external thread connected to the left-handed internal thread, the end of the first extension part away from the first extension rod is provided with a first extension connecting hole for the first connecting rod to be inserted, and the first extension connecting hole is provided with a first extension connecting internal thread connected to the left-handed external thread; the second extension member includes a second extension part, one end of the second extension part is provided with a second extension rod inserted in the second connecting hole, the second extension rod is provided with a second extension connecting external thread connected to the left-handed internal thread and opposite to the first extension connecting external thread in thread direction, the second extension part is provided with a second extension connecting hole for the second connecting rod to be inserted at one end away from the second extension rod, and the second extension connecting hole is provided with a second extension connecting internal thread connected to the left-handed external thread and opposite to the first extension connecting internal thread in thread direction, and the second extension connecting internal thread connected to the left-handed external thread by the second extension part can ensure the connection effect between the second connecting rod and the second extension part.

[0014] Compared with the existing technology, the advantages of the utility model are:

[0015] 1. The ejection driving rod is threadably connected to the first ejection member and the second ejection member through the first threaded connection structure and the second threaded connection structure, respectively, so that the ejection operation can be completed in a narrow space, thereby improving the ejection efficiency.

[0016] 2. The first pointed cone portion and the second pointed cone portion can improve the practicability of the ejector, can be applied to a variety of usage environments, and improve the user experience.

[0017] 3. The first extension piece and the second extension piece can increase the overall length of the ejection drive rod to ensure the ejection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the ejection drive rod in the first embodiment of the utility model.

[0020] Figure 3 It is a side view of the ejection drive rod in the first embodiment of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the first ejector in the first embodiment of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the second embodiment of the present utility model.

[0023] Figure 6 It is a structural schematic diagram of the third embodiment of the present utility model.

[0024] In the figure: ejection drive rod 1, connecting channel 11, first ejection member 2, first cone portion 21, second ejection member 3, second cone portion 31, first threaded connection structure 4, first connecting hole 41, first connecting rod 42, left-handed internal thread 43, left-handed external thread 44, second threaded connection structure 5, second connecting hole 51, second connecting rod 52, right-handed internal thread 53, right-handed external thread 54, first extension member 6, first extension portion 61, first extension rod 62, first extension portion connected external thread 63, first extended connecting hole 64, first extension portion connected internal thread 65, second extension member 7, second extension portion 71, second extension rod 72, second extension portion connected external thread 73, second extended connecting hole 74, second extension portion connected internal thread 75. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Embodiment 1

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a combined ejection device includes an ejection drive rod 1, the cross section of the ejection drive rod 1 is non-circular, which can facilitate the user to rotate the ejection drive rod 1 to ensure the ejection effect, one end of the ejection drive rod 1 is provided with a first ejection piece 2 and the other end is provided with a second ejection piece 3, the first ejection piece 2 and the second ejection piece 3 are both coaxially arranged with the ejection drive rod 1, and the length of the first ejection piece 2 and the second ejection piece 3 are both 40mm, which can ensure that the ejection drive rod 1 can synchronously rotate the first ejection piece 2 and the second ejection piece 3 during the rotation process, the first ejection piece 2 is connected to one end of the ejection drive rod 1 through a first threaded connection structure 4, and the first ejection piece 2 The first threaded connection structure 5 is connected to the other end of the ejection drive rod 1, and the thread direction of the first threaded connection structure 4 is opposite to that of the second threaded connection structure 5. The first ejection member 2 or the second ejection member 3 can be selected for ejection according to user needs. The first threaded connection structure 4 can facilitate the first ejection member 2 to be fixedly connected to the ejection drive rod 1, and the ejection drive rod 1 can facilitate the displacement of the first ejection member 2 to ensure the ejection effect. The second threaded connection structure 5 can facilitate the second ejection member 3 to be fixedly connected to the ejection drive rod 1, and the ejection drive rod 1 can facilitate the displacement of the second ejection member 3 to ensure the ejection effect.

[0028] Specifically, the first threaded connection structure 4 includes a first connecting hole 41 arranged on the circumferential inner side of one end of the ejection drive rod 1, and the end of the first ejection member 2 close to the ejection drive rod 1 has a first connecting rod 42 inserted into the first connecting hole 41. The length of the first connecting rod 42 is 55 mm. The first connecting hole 41 can facilitate the insertion and positioning of the first connecting rod 42 to improve the connection efficiency. A left-handed internal thread 43 is provided in the first connecting hole 41, and a left-handed external thread 44 matching the left-handed internal thread 43 is provided on the first connecting rod 42. The left-handed internal thread 43 and the left-handed external thread 44 can make the first connecting rod 42 and the ejection drive rod 1 fixedly connected in a left-handed manner, and the ejection drive rod 1 can eject one end of the first connecting rod 42 outward in a right-handed manner to ensure the ejection effect.

[0029] Among them, the second threaded connection structure 5 includes a second connecting hole 51 arranged on the circumferential inner side of the end of the ejection drive rod 1 away from the first ejection member 2, and the end of the second ejection member 3 close to the ejection drive rod 1 has a second connecting rod 52 inserted into the second connecting hole 51. The length of the second connecting rod 52 is 55 mm, and the diameter of the second connecting rod 52 is 12 mm. The second connecting hole 51 can facilitate the second connecting rod 52 and the ejection drive rod 1 to be plugged and positioned, thereby improving the connection efficiency. A right-handed internal thread 53 opposite to the thread direction of the left-handed internal thread 43 is provided in the second connecting hole 51, and a right-handed external thread 54 matching the right-handed internal thread 53 is provided on the second connecting rod 52. The right-handed internal thread 53 and the right-handed external thread 54 can make the second connecting rod 52 and the ejection drive rod 1 fixedly connected in a right-handed manner, and the ejection drive rod 1 can eject one end of the second connecting rod 52 outward in a left-handed manner, thereby ensuring the ejection effect.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the ejection drive rod 1 has a columnar structure with a hexagonal cross section. The ejection drive rod 1 has a length of 200 mm and a width of 30 mm. The first connecting hole 41 and the second connecting hole 51 are connected through a connecting channel 11. The connecting channel 11 can effectively reduce the weight of the ejection drive rod 1. The ejection drive rod 1 with a hexagonal cross section can facilitate the user to rotate the ejection drive rod 1, thereby improving the ejection efficiency.

[0031] Furthermore, the first connecting hole 41 and the second connecting hole 51 have the same depth and diameter, the length of the first connecting hole 41 and the second connecting hole 51 is 60 mm, and the diameter is 12 mm, and the diameters of the first connecting hole 41 and the second connecting hole 51 are both larger than the diameter of the connecting channel 11, the diameter of the connecting channel 11 is 8 mm, and the length of the connecting channel is 80 mm, which can prevent the first ejector 2 from being set in the connecting channel 11 through the first connecting hole 41, and can prevent the second ejector 3 from being set in the connecting channel 11 through the second connecting hole 51.

[0032] Among them, the first ejector 2 and the second ejector 3 are both columnar and have the same size, ensuring the ejection stability and ejection effect. The first connecting rod 42 is coaxially arranged at one end of the first ejector 2, and the second connecting rod 52 is coaxially arranged at one end of the second ejector 3. The first ejector 2 and the second ejector 3 are coaxially arranged, and the first ejector 2 and the second ejector 3 can increase the overall length of the ejection drive rod 1. The spiral directions of the first ejector 2 and the second ejector 3 are opposite, and when the ejection drive rod 1 is rotated for ejection, it does not affect the connection of the second ejector 3.

[0033] Combination Figure 1 , Figure 2 , Figure 4 As shown, the first connecting rod 42 is fixedly connected to the first ejector 2 or the first connecting rod 42 is integrally formed on the first ejector 2, which can ensure the connection stability between the first connecting rod 42 and the first ejector 2 and ensure the ejection effect. The second connecting rod 52 is fixedly connected to the second ejector 3 or the second connecting rod 52 is integrally formed on the second ejector 3, which can ensure the connection stability between the second connecting rod 52 and the second ejector 3 and ensure the ejection effect.

[0034] The principle of this embodiment is that the first ejector 2 and the second ejector 3 are respectively threadedly connected to the ejection drive rod 1 through the first threaded connection structure 4 and the second threaded connection structure 5 in opposite directions of the spiral, which can improve the connection efficiency, ensure the ejection effect, and facilitate the user to select a suitable ejector for spiral connection, thereby improving the user experience.

[0035] Embodiment 2

[0036] The structure and working principle of this embodiment are basically the same as those of the first embodiment, except that: Figure 5 As shown, the end of the first ejector 2 away from the first connecting rod 42 has a first tapered portion 21 connected to the first ejector 2, and the end of the second ejector 3 away from the second connecting rod 52 has a second tapered portion 31 connected to the second ejector 3. The lengths of the first tapered portion 21 and the second tapered portion 31 are both 30 mm. The first tapered portion 21 and the second tapered portion 31 can improve the practicality of the first ejector 2 and the second ejector 3, facilitate user selection, improve user experience, and improve ejection efficiency.

[0037] Embodiment 3

[0038] The structure and working principle of this embodiment are basically the same as those of the first embodiment, except that: Figure 6 As shown, a first extension piece 6 is provided between one end of the ejection driving rod 1 and the first ejection piece 2, and a second extension piece 7 is provided between the other end of the ejection driving rod 1 and the second ejection piece 3. The length of the second extension piece 7 is consistent with the length of the first extension piece 6, both of which are 60 mm. The first extension piece 6 and the second extension piece 7 are coaxially symmetrically arranged at both ends of the ejection driving rod 1. The first extension piece 6 and the second extension piece 7 can be used to extend the ejection driving rod 1 when the length is insufficient, thereby ensuring the ejection effect.

[0039] Among them, the first extension member 6 includes a first extension portion 61, one end of the first extension portion 61 is provided with a first extension rod 62 inserted into the first connecting hole 41, the first extension rod 62 is provided with a first extension portion connecting external thread 63 threadedly connected to the left-handed internal thread 43, and the first extension rod 62 can be fixedly connected to the ejection drive rod 1 through the first extension portion connecting external thread 63 and the left-handed internal thread 43, and the first extension rod 62 is provided with a first extension connecting hole 64 for inserting the first connecting rod 42 at one end of the first extension portion 61 away from the first extension rod 62, and the first extension connecting hole 64 is provided with a first extension portion connecting internal thread 65 threadedly connected to the left-handed external thread 44, and the first connecting rod 42 can be fixedly connected to the first extension portion 61 through the first extension portion connecting internal thread 65 and the left-handed external thread 44. The diameter of the first connecting rod 42 is consistent with the diameter and length of the first extension connecting hole 64 and the first extension rod 62; the second extension member 7 includes a second extension portion 71, one end of the second extension portion 71 is provided with a first extension portion connecting external thread inserted into the second connecting hole 51 The second extension rod 72 is provided with a second extension portion connecting external thread 73 which is threadably connected to the left-handed internal thread 43 and has a thread direction opposite to that of the first extension portion connecting external thread 63. The second extension portion connecting external thread 73 and the left-handed internal thread 43 can be used to fix the second extension rod 72 to the ejection drive rod 1, and the first extension portion connecting external thread 63 and the second extension portion connecting external thread 73 are arranged oppositely to each other to ensure the ejection effect. The second extension portion 71 is provided with a second extension connecting hole 74 for inserting the second connecting rod 52 at one end away from the second extension rod 72. The second extension connecting hole 74 is provided with a second extension portion 71 connecting internal thread 75 which is threadably connected to the left-handed external thread 44 and has a thread direction opposite to that of the first extension portion connecting internal thread 65. The second extension portion 71 connecting internal thread 75 and the left-handed external thread 44 can ensure the connection effect between the second connecting rod 52 and the second extension portion 71. The diameter and length of the second connecting rod 52 are consistent with the second extension connecting hole 74 and the second extension rod 72.

[0040] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0041] Although the present invention uses more terms such as ejection drive rod 1, connection channel 11, first ejection member 2, first cone portion 21, second ejection member 3, second cone portion 31, first threaded connection structure 4, first connection hole 41, first connection rod 42, left-handed internal thread 43, left-handed external thread 44, second threaded connection structure 5, second connection hole 51, second connection rod 52, right-handed internal thread 53, right-handed external thread 54, first extension member 6, first extension portion 61, first extension rod 62, first extension portion connection external thread 63, first extension connection hole 64, first extension portion connection internal thread 65, second extension member 7, second extension portion 71, second extension rod 72, second extension portion connection external thread 73, second extension connection hole 74, second extension portion connection internal thread 75, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A combined ejection device, comprising an ejection drive rod (1), characterized in that: The ejection drive rod (1) has a non-circular cross-section. A first ejection member (2) is provided at one end of the ejection drive rod (1) and a second ejection member (3) is provided at the other end. The first ejection member (2) and the second ejection member (3) are both coaxially arranged with the ejection drive rod (1). The first ejection member (2) is connected to one end of the ejection drive rod (1) via a first threaded connection structure (4). The first ejection member (2) is connected to the other end of the ejection drive rod (1) via a second threaded connection structure (5). The thread direction of the first threaded connection structure (4) is opposite to the thread direction of the second threaded connection structure (5).

2. A combined ejection device according to claim 1, characterized in that: The first threaded connection structure (4) comprises a first connection hole (41) arranged on the inner side of one end of the ejection drive rod (1), and the first ejection member (2) has a first connection rod (42) inserted into the first connection hole (41) at one end close to the ejection drive rod (1), and a left-handed internal thread (43) is provided in the first connection hole (41), and a left-handed external thread (44) matching the left-handed internal thread (43) is provided on the first connection rod (42).

3. A combined ejection device according to claim 2, characterized in that: The second threaded connection structure (5) comprises a second connection hole (51) arranged on the inner side of the circumference of one end of the ejection drive rod (1) away from the first ejection member (2); the second ejection member (3) has a second connection rod (52) inserted into the second connection hole (51) at one end close to the ejection drive rod (1); the second connection hole (51) is provided with a right-handed internal thread (53) having a thread direction opposite to that of the left-handed internal thread (43); and the second connection rod (52) is provided with a right-handed external thread (54) matching the right-handed internal thread (53).

4. A combined ejection device according to claim 3, characterized in that: The ejection drive rod (1) is in the form of a columnar structure with a hexagonal cross section, and the first connection hole (41) and the second connection hole (51) are connected via a connection channel (11).

5. A combined ejection device according to claim 4, characterized in that: The first connection hole (41) and the second connection hole (51) have the same depth and diameter, and the diameters of the first connection hole (41) and the second connection hole (51) are both larger than the diameter of the connection channel (11).

6. A combined ejection device according to claim 3, 4 or 5, characterized in that: The first ejector (2) and the second ejector (3) are both columnar and have the same size. The first connecting rod (42) is coaxially arranged at one end of the first ejector (2), and the second connecting rod (52) is coaxially arranged at one end of the second ejector (3).

7. A combined ejection device according to claim 6, characterized in that: The first connecting rod (42) is fixedly connected to the first ejector (2) or the first connecting rod (42) is integrally formed on the first ejector (2), and the second connecting rod (52) is fixedly connected to the second ejector (3) or the second connecting rod (52) is integrally formed on the second ejector (3).

8. A combined ejection device according to claim 6, characterized in that: The end of the first ejector (2) away from the first connecting rod (42) has a first pointed cone portion (21) connected to the first ejector (2) as a whole, and the end of the second ejector (3) away from the second connecting rod (52) has a second pointed cone portion (31) connected to the second ejector (3) as a whole.

9. A combined ejection device according to claim 3, characterized in that: A first extension piece (6) is provided between one end of the ejection drive rod (1) and the first ejection piece (2), a second extension piece (7) is provided between the other end of the ejection drive rod (1) and the second ejection piece (3), and the first extension piece (6) and the second extension piece (7) are coaxially symmetrically arranged at both ends of the ejection drive rod (1).

10. A combined ejection device according to claim 9, characterized in that: The first extension member (6) comprises a first extension portion (61), one end of the first extension portion (61) is provided with a first extension rod (62) inserted into the first connecting hole (41), the first extension rod (62) is provided with a first extension portion connecting external thread (63) threadedly connected to the left-handed internal thread (43), the first extension portion (61) is provided with a first extension connecting hole (64) for inserting the first connecting rod (42) at one end away from the first extension rod (62), and the first extension connecting hole (64) is provided with a first extension portion connecting internal thread (65) threadedly connected to the left-handed external thread (44); the second extension member (7) comprises a second extension portion (71) The second extension portion (71) has a second extension rod (72) at one end thereof which is inserted into the second connection hole (51); the second extension rod (72) has a second extension portion connecting external thread (73) which is threadedly connected to the left-handed internal thread (43) and has a thread direction opposite to that of the first extension portion connecting external thread (63); the second extension portion (71) has a second extension connecting hole (74) at one end thereof which is away from the second extension rod (72) and is inserted into the second connection rod (52); the second extension connecting hole (74) has a second extension portion connecting internal thread (75) which is threadedly connected to the left-handed external thread (44) and has a thread direction opposite to that of the first extension portion connecting internal thread (65).

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