Tool for replacing signal bulb
By designing a signal bulb tool comprising a first arm and a second arm, this invention solves the problems of existing bulb replacement tools, including their convenience and ease of use. It also addresses the issues of excessive elasticity and small contact area of the lamp holder clips in existing technologies, achieving greater convenience and ease of use for signal bulb replacement. Furthermore, it addresses and adapts to the innovative aspects of existing bulb replacement tools, enabling adjustable signal bulbs and facilitating rapid replacement. Finally, it incorporates improvements to existing bulb replacement tools.
Patent Information
- Application Number
- CN202520018264.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing tools for replacing signal bulbs have excessive elasticity in the bulb holder clips, a small contact area, and are difficult to disassemble and maintain. The bulb clips also get hot after prolonged use and can cause burns. Furthermore, the device has poor adjustability and is difficult to use in smaller signal light boxes.
A tool comprising a first arm, a second arm, and a movable base was designed. Through a combination structure of a guide rod, a connecting seat, an outer bracket, and an adjusting screw, the signal light card can be easily disassembled and its adjustability adjusted.
It improves the maintenance efficiency of traffic light replacement, avoids the risk of burns from the lamp holder cards, and enables the device to adapt to traffic light cards of different sizes, making it convenient for use in confined spaces.
Smart Images

Figure CN223604306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to railway command signal lamp maintenance technical field, more specifically, especially relate to the tool of replacing signal bulb. BACKGROUND
[0002] Railway driving command is realized by signal equipment, and color light signal machine is an important equipment outside railway signal room, and the orderly operation of railway train is commanded and completed by the signal of color light signal machine, and the replacement of color light signal machine lamp card needs to use a kind of tool of replacing signal bulb.
[0003] The similar tool of replacing signal bulb in prior art has the problems of too big elastic force of lamp holder card, small stress area of card, not easy to disassemble and maintain, high temperature of bulb card after long use, easy to scald, poor adjustability of device, and not easy to stretch into the device of replacing signal bulb card in small signal lamp box. UTILITY MODEL CONTENTS
[0004] To solve the above technical problems, the utility model provides the tool of replacing signal bulb to solve the problems of too big elastic force of lamp holder card, small stress area of card, not easy to disassemble and maintain, high temperature of bulb card after long use, easy to scald, poor adjustability of device and not easy to stretch into the device of replacing signal bulb card in small signal lamp box.
[0005] The utility model discloses the tool of replacing signal bulb, by the following specific technical means:
[0006] The tool of replacing signal bulb includes first branch arm, second branch arm and mobile seat;
[0007] A group of guide rods are installed on the first branch arm, a group of connecting seats are fixedly installed on the outer end of the second branch arm, the lower end of the connecting seat is provided with a first hole position, the upper end of the connecting seat is provided with a second hole position, the first hole position of the lower end of the connecting seat is rotatably installed on the first branch arm, the second hole position of the upper end of the connecting seat is provided with a group of connecting rods, and the connecting rod of the inner end of the mobile seat is rotatably installed on the second hole position of the upper end of the connecting seat, the mobile seat is slidably installed on the outer end of the first branch arm, a group of outer supports are threadedly installed on the two ends of the mobile seat, the outer support is L-shaped structure, a group of adjusting screws are rotatably installed on the outer support, and the mobile seat and the outer support are clamped grooves.
[0008] In at least some embodiments, a group of guide grooves are formed on the two ends of the mobile seat, a group of guide blocks are fixedly installed on the inner end of the outer support, and the guide blocks on the inner end of the outer support are slidably installed on the guide grooves on the two ends of the mobile seat.
[0009] In at least some embodiments, a plurality of limiting guide grooves are formed in the moving seat, a limiting ring is fixedly installed on the top of the guide rod, and the guide rod is slidingly installed on the limiting guide grooves of the moving seat.
[0010] In at least some embodiments, a plurality of connecting screw holes are formed at the two ends of the moving seat respectively, and the adjusting screw rods on the outer support are respectively screwedly installed on the connecting screw holes at the two ends of the moving seat.
[0011] In at least some embodiments, a plurality of pin shafts are respectively rotatably installed in the first hole position and the second hole position of the connecting seat.
[0012] In at least some embodiments, a plurality of rotating holes are formed in the inner end of the outer support, a plurality of rotating columns are fixedly installed on the adjusting screw rods, and the rotating columns on the adjusting screw rods are rotatably installed on the rotating holes in the inner end of the outer support.
[0013] In at least some embodiments, a plurality of positioning screw holes are formed in the top of the first supporting arm, a threaded rod is fixed on the bottom of the guide rod, and the threaded rod on the bottom of the guide rod is screwedly installed on the positioning screw holes in the top of the first supporting arm.
[0014] Compared with the prior art, the signal bulb replacement tool has the following beneficial effects:
[0015] 1. The setting of the moving seat and the outer support is beneficial to the rotatable installation of the lower end of the connecting seat on the first supporting arm through the first hole position, the rotatable installation of the guide rod on the limiting guide grooves of the moving seat through the second hole position formed in the upper end of the connecting seat, the sleeving of the clamping grooves between the moving seat and the outer support on the signal lamp card, the holding of the outer ends of the first supporting arm and the second supporting arm and the inward pressing, the movement of the signal card driven by the moving seat and the outer support outward, and the quick replacement of the signal lamp by the device, thereby effectively improving the working and maintenance efficiency of the device, avoiding the problems of too large clamping spring force of the lamp holder card, too small stress area of the card, and difficulty in disassembly and maintenance, and easy scalding due to high temperature of the bulb card used for a long time.
[0016] 2. The setting of the outer support is beneficial to the rotatable installation of the rotating columns on the adjusting screw rods on the inner end of the outer support, the screwing of the adjusting screw rods on the outer support on the connecting screw holes at the two ends of the moving seat, the sliding installation of the guide blocks on the inner end of the outer support on the guide grooves at the two ends of the moving seat, the rotation of the adjusting screw rods, the outward movement of the outer support screwedly installed on the adjusting screw rods, the adjustment of the structural length of the clamping grooves on the device according to the sizes of different signal lamp cards, the better adjustability of the device, and the avoidance of the problem that the device with a large size is not easy to stretch into the signal lamp box for replacing the signal bulb card. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the front side shaft view of the utility model.
[0018] Figure 2 is the front side shaft view schematic diagram of the utility model.
[0019] Figure 3 is the split schematic diagram of the second supporting arm of the utility model.
[0020] Figure 4 is the split schematic diagram of the second supporting arm of the utility model.
[0021] Figure 5 is the split schematic diagram of the second supporting arm of the utility model.
[0022] In the drawing, the corresponding relationship of component name and drawing number is:
[0023] 1, first supporting arm; 101, positioning screw hole; 102, guide rod; 2, second supporting arm; 201, connecting seat; 2011, first hole position; 2012, second hole position; 3, moving seat; 301, limiting guide groove; 302, connecting rod; 303, guide groove; 304, connecting screw hole; 4, outer support; 401, clamping groove; 402, guide block; 403, adjusting screw rod; 4031, rotating column. DETAILED DESCRIPTION
[0024] The embodiment of the utility model is further described in detail in combination with the drawings and examples.
[0025] As shown in the accompanying Figure 1 to the accompanying Figure 5 :
[0026] Example one: the utility model provides a signal bulb replacement tool, including first supporting arm 1, second supporting arm 2 and moving seat 3;
[0027] A group of guide rods 102 are screw-mounted on the first supporting arm 1, a group of connecting seats 201 are fixedly installed on the outer end of the second supporting arm 2, the lower end of the connecting seat 201 is provided with a first hole position 2011, the upper end of the connecting seat 201 is provided with a second hole position 2012, the first hole position 2011 of the lower end of the connecting seat 201 is rotatably installed on the first supporting arm 1, the second hole position 2012 of the upper end of the connecting seat 201 is provided, a group of connecting rods 302 are fixedly installed on the inner end of the moving seat 3, and the connecting rod 302 of the inner end of the moving seat 3 is rotatably installed on the second hole position 2012 of the upper end of the connecting seat 201, the moving seat 3 is slidingly installed on the outer end of the first supporting arm 1, a group of outer supports 4 are screw-mounted on the two ends of the moving seat 3 respectively, the outer support 4 is L-shaped structure, a group of adjusting screw rods 403 are rotatably installed on the outer support 4, and the clamping groove 401 is between the moving seat 3 and the outer support 4.
[0028] As Figures 2-3As shown, the top of the first supporting arm 1 is provided with a set of positioning screw holes 101, the bottom of the guide rod 102 is fixed with a threaded rod, and the threaded rod at the bottom of the guide rod 102 is screwed into the positioning screw hole 101 at the top of the first supporting arm 1, a set of limiting guide grooves 301 are formed in the moving seat 3, the top of the guide rod 102 is fixedly installed with a limiting ring, and the guide rod 102 is slidingly installed in the limiting guide groove 301 of the moving seat 3, a group of pin shafts are respectively rotatably installed in the first hole position 2011 and the second hole position 2012 of the connecting seat 201; specifically, the first hole position 2011 at the lower end of the connecting seat 201 is rotatably installed on the first supporting arm 1, the second hole position 2012 is formed in the upper end of the connecting seat 201, and the guide rod 102 is slidingly installed in the limiting guide groove 301 of the moving seat 3, the clamping groove 401 between the moving seat 3 and the outer support 4 is sleeved on the signal lamp card, the outer ends of the first supporting arm 1 and the second supporting arm 2 are held and pressed inward, the moving seat 3 and the outer support 4 drive the signal card to move outward, so that the device is convenient for quickly replacing the signal lamp, effectively improves the working and maintenance efficiency of the device, avoids the problems of too large clamping force of the lamp holder card, small stress area of the card, and difficulty in disassembly and maintenance, and high temperature of the bulb card after long-term use, which is easy to scald.
[0029] In the embodiment one, as shown in Figure 4 and Figure 5 As shown, the two ends of the moving seat 3 are respectively provided with a set of guide grooves 303, the inner end of the outer support 4 is fixedly installed with a set of guide blocks 402, the guide blocks 402 at the inner end of the outer support 4 are slidingly installed in the guide grooves 303 at the two ends of the moving seat 3, the two ends of the moving seat 3 are respectively provided with a set of connecting screw holes 304, and the adjusting screw rods 403 on the outer support 4 are respectively screwed into the connecting screw holes 304 at the two ends of the moving seat 3, the inner end of the outer support 4 is provided with a set of rotating holes, and a set of rotating columns 4031 are fixedly installed on the adjusting screw rods 403, and the rotating columns 4031 on the adjusting screw rods 403 are rotatably installed in the rotating holes at the inner end of the outer support 4; specifically, the rotating columns 4031 on the adjusting screw rods 403 are rotatably installed in the rotating holes at the inner end of the outer support 4, the adjusting screw rods 403 on the outer support 4 are respectively screwed into the connecting screw holes 304 at the two ends of the moving seat 3, the guide blocks 402 at the inner end of the outer support 4 are slidingly installed in the guide grooves 303 at the two ends of the moving seat 3, and the adjusting screw rods 403 are rotated to move the outer support 4 screwed on the adjusting screw rods 403 outward, so that the structure length of the clamping groove 401 on the device is convenient for adjusting according to the size of different signal lamp cards, so that the device has better adjustability, and avoids the problem that the device with large size cannot be easily inserted into the smaller signal lamp box to replace the signal bulb card.
[0030] The specific use mode and effect of the embodiment are as follows:
[0031] The utility model discloses when using, the guide rod 102 sliding installation is in the limiting guide groove 301 of mobile seat 3, and the clamping groove 401 between mobile seat 3 and outer support 4 is connected on signal lamp card, holds the outer end of first branch arm 1 and second branch arm 2 and presses inward, and mobile seat 3 and outer support 4 drive signal card to move outward, to make the device convenient to replace signal lamp fast, effectively improved the work maintenance efficiency of device, and the guide block 402 of outer support 4 inner end is slidingly installed on the guide groove 303 of mobile seat 3 both ends, and the rotation adjustment screw rod 403 makes the outer support 4 of screw installation on adjustment screw rod 403 move outward, to make the structural length of device clamping groove 401 convenient to adjust according to the size of different signal lamp card, make the device have better adjustability, avoid the device in smaller signal lamp box with big size device not easy to stretch into the problem of replacing signal bulb card.
[0032] In this paper, the following points need attention:
[0033] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.
[0034] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.
[0035] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.
Claims
1. A signal bulb replacement tool, characterized by: It comprises a first supporting arm (1), a second supporting arm (2) and a moving seat (3); A group of guide rods (102) are threadedly installed on the first supporting arm (1), a group of connecting seats (201) are fixedly installed on the outer end of the second supporting arm (2), a first hole (2011) is formed in the lower end of the connecting seat (201), a second hole (2012) is formed in the upper end of the connecting seat (201), the first hole (2011) in the lower end of the connecting seat (201) is rotatably installed on the first supporting arm (1), the second hole (2012) in the upper end of the connecting seat (201) is formed, a group of connecting rods (302) are fixedly installed on the inner end of the moving seat (3), the connecting rod (302) in the inner end of the moving seat (3) is rotatably installed on the second hole (2012) in the upper end of the connecting seat (201), the moving seat (3) is slidably installed on the outer end of the first supporting arm (1), a group of outer supports (4) are threadedly installed on the two ends of the moving seat (3), the outer support (4) is of L-shaped structure, a group of adjusting screw rods (403) are rotatably installed on the outer support (4), and a clamping groove (401) is formed between the moving seat (3) and the outer support (4).
2. The replacement signal bulb tool of claim 1, wherein: A group of positioning screw holes (101) are formed in the top of the first supporting arm (1), a threaded rod is fixedly installed on the bottom of the guide rod (102), and the threaded rod on the bottom of the guide rod (102) is threadedly installed on the positioning screw hole (101) in the top of the first supporting arm (1).
3. The replacement signal bulb tool of claim 1, wherein: A group of limiting guide grooves (301) are formed in the moving seat (3), a limiting ring is fixedly installed on the top of the guide rod (102), and the guide rod (102) is slidably installed on the limiting guide groove (301) of the moving seat (3).
4. The replacement signal bulb tool of claim 1, wherein: A group of pin shafts are rotatably installed in the first hole (2011) and the second hole (2012) of the connecting seat (201).
5. The replacement signal bulb tool of claim 1, wherein: A group of guide grooves (303) are formed in the two ends of the moving seat (3), a group of guide blocks (402) are fixedly installed on the inner end of the outer support (4), and the guide block (402) on the inner end of the outer support (4) is slidably installed on the guide groove (303) in the two ends of the moving seat (3).
6. The replacement signal bulb tool of claim 1, wherein: A group of connecting screw holes (304) are formed in the two ends of the moving seat (3), and the adjusting screw rod (403) on the outer support (4) is threadedly installed on the connecting screw hole (304) in the two ends of the moving seat (3).
7. The replacement signal bulb tool of claim 1, wherein: A group of rotating holes are formed in the inner end of the outer support (4), a group of rotating columns (4031) are fixedly installed on the adjusting screw rod (403), and the rotating column (4031) on the adjusting screw rod (403) is rotatably installed on the rotating hole in the inner end of the outer support (4).